MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised websites, likely intended to trick users into downloading a password-protected archive. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document's intent to conceal a payload. ClamAV detection and ML classification confirm its malicious nature, suggesting it's a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9896
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 http://chiaranannini.com/userfiles/files/xuxezevuzozuzunuje.pdf In PDF document text
- http://farmina.ru/uploads/files/99121605015.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/3f9acedc91e0e418218811687b30eefc/fujofovusi.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/tapawegomat.pdfIn PDF document text
- http://chandigarhdatarecovery.com/files/file/71836779165.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/wusigegusenu.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/20767756583.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16071720c4db28---20593370791.pdfIn PDF document text
- http://wecans.net/_UploadFile/Images/file/sujusegesawevivasiduret.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/hlvr073c7upde618dffogcdqt0/59972988147.pdfIn PDF document text
- https://agatanorek.com/files/file/rejowivetok.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/5f68a2cb06a06fe8fafb5bf40a6138bd/39142104016.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/finizipopaluwomevewexupi.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/8a536abc3ad3345c3f6da265aa2e18ab/64289011510.pdfIn PDF document text
- http://longvu.vn/Images_upload/files/relef.pdfIn PDF document text
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e75d1adfe---18902336499.pdfIn PDF document text
- http://nordicaluminium.ru/userfiles/file/lokamirafavuloni.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/6938567498.pdfPDF link annotation
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160979ceb41c99---2299159472.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/worinazepu.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160885e6845b2f---gedirib.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/zisevejeti.pdfIn PDF document text
- http://turnwealthy.com/ckfinder/userfiles/files/80462951049.pdfIn PDF document text
- http://okulsanmalatya.com/imgup/file/13505308522.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607259f948c0c.pdfIn PDF document text
- http://softwarefactory.nl/images/file/kefibavonufugologilorepe.pdfIn PDF document text
- https://isosklo.cz/uploads/sifosifubixolovuwitil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=caught+my+girlfriend+texting+her+exPDF 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_off0000edfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFE | 10860 bytes |
SHA-256: 35231ab859d7cc3f754ce9eb3d681eb340e7527a520390b2fea2cde1774bda06 |
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font_01_sfnt_off000106a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A6 | 17472 bytes |
SHA-256: d4e133f5e596fcbbc2dd080e2d9fff1d0f6069653f14a8ccd80e26e8cfd36071 |
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font_02_sfnt_off0001339a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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