MALICIOUS
276
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
T1553.005 Security Software Tampering
This PDF document was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It employs social engineering tactics by impersonating Amazon and instructing the user to disable security software and install a browser update, which is a common lure for credential theft or malware installation. The document also contains numerous links to potentially compromised or disposable hosting sites, suggesting a phishing or distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=there+is+problem+parsing+package.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://erdenetpost.mn/userfiles/files/64659233123.pdf In PDF document text
- https://artbynela.com/uploads/file/pamunodimiwowikoge.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/lafapunosiluzewes.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc5fdace21---29036299941.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc3667b68b---45803949059.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a11864dae1---pagulosuzabevesa.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/45774258600.pdfIn PDF document text
- http://puzynowska-kancelaria.com/userfiles/file/92329182711.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160961b4358b5a---67305852009.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac01982f300---navemowozafexuvojavanif.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/a26c871cca522546927f0b58154dd1d2/vinitokutorawegawe.pdfIn PDF document text
- https://aldurra.ly/images-editeur/img/file/3891671804.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/980da7aa2afe0a3861345e5c0ee7e1f6/17752704856.pdfIn PDF document text
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/3c2c70e9a2746a5bb4f4b4fcb1819416/funebi.pdfIn PDF document text
- http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92145522535.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/2c75fcc45c20804fd068040d4cf9deaa/14371324260.pdfIn PDF document text
- http://mawaevents.com/uploads/file/kalonuzoxazobipaluwix.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b36561826119685abbf8c512d57331ad/62752969529.pdfIn PDF document text
- http://ylpcl.com/ckfinder/userfiles/files/91721540582.pdfIn PDF document text
- http://dlmberatung.ch/userfiles/files/rapigofeni.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/95206850112.pdfIn PDF document text
- https://yucekalipmakina.com/tsrm1/img/userfiles/file/noruzizag.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/xejokepuzizakimom.pdfIn PDF document text
- http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/71124811629.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=there+is+problem+parsing+packagePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f187.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF187 | 16736 bytes |
SHA-256: f0ef8fff44e24cc3869222d21b29f4b9b147472992962b0600847af04847e9a9 |
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font_01_sfnt_off00011cee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEE | 10920 bytes |
SHA-256: 65e70ac29dade995def607ae70dfb8c9994341478ee2d12c0ff6ef11b12be44f |
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font_02_sfnt_off000135cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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