MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as a malicious PDF by ML classifiers and ClamAV. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress upload directories and disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using small PDFs as link farms on disposable hosting, suggesting an attempt to distribute malicious content or phishing lures through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
Heuristics 6
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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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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://bodymart.in/ckfinder/userfiles/files/10254285106.pdf In PDF document text
- https://harley.dataroom.tw/upload/files/negadanopopagin.pdfIn PDF document text
- http://aryajob.com/user_upload/file/86000161935.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161423ad539755---finudeta.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/22510555665.pdfIn PDF document text
- http://m2m2design.com/userfiles/35282019260.pdfIn PDF document text
- https://sikdercollegeofpharmacy.com/scp/ckfinder/uploads/userfiles/files/lopesok.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614448b8682c3---17788205718.pdfIn PDF document text
- http://www.iece.in/userfiles/file/tofuxesezosebowa.pdfIn PDF document text
- https://businesslife.com/content/files/50460735220.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136e20f7fcc5---90149241070.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/23432957036.pdfIn PDF document text
- http://vipnjl.com/userfiles/files/lopirol.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/6223797665.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/zejuxezotalubute.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/jerekafanurepixiv.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/winatewisofuvagi.pdfIn PDF document text
- http://torremaggiore.sitmap.it/files/files/pototaz.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/86898010618.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/860bd55580bde8529aad89d93d9b94c9/gikitifixoxuxa.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109182207049161.pdfIn PDF document text
- https://renebeumer.nl/userfiles/file/37594305352.pdfIn PDF document text
- http://bahtiyardishekimi.com/fckfiles/file/saweratoxu.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/91ve57dviosdeg41222hjg5f0c/zuparonopagixa.pdfIn PDF document text
- http://www.serge-valentin.net/ckfinder/userfiles/files/magiditoj.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/4rll660d6ph1e7a5a82bi3r1g5/57274014764.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=xmen+first+class+free+onlinePDF 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_off0000ed96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED96 | 10504 bytes |
SHA-256: ccc3af8baf688aa48b1a1d16531fed416ce2e9a84038a3baada0e227e89b6c23 |
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font_01_sfnt_off00010573.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10573 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D85 | 18488 bytes |
SHA-256: c62d415a0b45bf705929f3567aa9790ce73501e96a95b6adfd400c47dcc2c199 |
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