MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://huntic.ru/uplcv?utm_term=seerat+un+nabi+in+english+volume+1+pdf PDF link annotation
- https://juhaszautovill.hu/userfiles/file/remodelasevubogatamuloriv.pdfIn PDF document text
- http://ourhkg.com/UPFILE/userfiles/files/nemok.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/ab1fefd397b20d347f75368bc00e987f/jogefebo.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608574c1e8490---gerone.pdfIn PDF document text
- http://www.thaiboat.net/image/upload/File/wojujesijasu.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f3c189653---35321125501.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/zawarusubinemusukedixib.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/83b2d8b45cfde3c0bedf92dc89a9b62d/9547110755.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/e72fpuvftovdoiv8efoh9upj62/37109252715.pdfIn PDF document text
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/89qe0mfdebgeh675gqk2s2ebtr/3835982236.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7e7d1c36ad737265f2a2be1f954df039/tutajatip.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc23d6a4eb7---23978228691.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/0okpguu3a7baj6cg6g5ji6vqj3/lilafitolamomipujokeg.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/37b93c3332215f2175dc99f0b497b375/ladojakabojuzowivud.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/684ff3ibnhin0729lek5947ilo/sotunogipomeju.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c65e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC65E | 5808 bytes |
SHA-256: a3f75ea7f3150f150776d811a83cf60f5b21c2584f29fb77c0d8f53a71e6726c |
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font_01_sfnt_off0000da01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA01 | 9960 bytes |
SHA-256: b5398df609a28f2ad873ce4ef10c38ffcac1c3bef40afa987c2c899f90631c96 |
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