MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating it's a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The PDF structure and embedded links align with techniques used to distribute phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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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://pistant.ru/uplcv?utm_term=tendinitis+de+quervain+fisiopatologia+pdf PDF link annotation
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/bb72e0339c945e72d1b2f0bad2a446a1/gidinuxasolavezof.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb7042d168---72762420273.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/vivagologofug.pdfIn PDF document text
- http://canadianrockies.info/files/file/41083078072.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9964efd77---78419175485.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ca73cab2e---17804531682.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/04bc5578ca394f713a1ff215845d4d97/11189217051.pdfIn PDF document text
- http://munnarinfo.in/userfiles/file/66988565493.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16091daecb6b01---xibiwumuwisatelefe.pdfIn PDF document text
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161336ac990e95---tonepin.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/sqhan23uae3bgla2nvc59fp8q4/43208968673.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/zuwubobesotonit.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c79c7d78c13db88f2a43561ca2958da7/54642369357.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/48127851080.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160929e11220c4---53418462920.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/7a8a6645d8d77756e823947f87d8e423/51859352741.pdfIn PDF document text
- 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_off0000e4ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4ED | 16868 bytes |
SHA-256: 17bde168d864c3b94b6347d716c10ec7be0a19fb824c51a54beae3acff2602c0 |
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font_01_sfnt_off000110a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B9 | 10948 bytes |
SHA-256: b489965bf513fd014ec3fadec94c069b2feb1cb73bf4bb18cafafcae1bba3511 |
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