MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. These links are likely intended to redirect users to phishing pages or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://synerhu.ru/uplcv?utm_term=online+bookstore+business+plan+pdf PDF link annotation
- https://paklya.su/design/img/upload/file/10556741396.pdfIn PDF document text
- http://madonnina.info/userfiles/files/wamavanunosowanodeme.pdfIn PDF document text
- http://envigest.cz/upload/file/16258806101.pdfIn PDF document text
- http://3xlove.com/uploadfile/file/jibekatadadazezifaxet.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/87316105199.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/vofiranikolipipokuvu.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/vezum.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/cf4bb51c27a35e4a94637cf604987625/tanaxajetelipup.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92d20a32ca---50478742981.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/petetodi.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081758db1d2c---22213519751.pdfIn PDF document text
- http://gotween.com/userfiles/file///53696281859.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/b434a0bbadb91468ef9780be6fd1eee8/21474793738.pdfIn PDF document text
- http://614move.com/clients/4890/File/47373651270.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/179281e361feb9c227243ebcad459c13/78638719771.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/buruwikumamo.pdfIn PDF document text
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a30c7bef5d3---89045300539.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/1fed34c3060aa163d9f89374fa10e0c5/98695125215.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e1b9648e9---56604458073.pdfIn PDF document text
- http://mail-ex.net/userfiles/file/xegigunu.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/40477309611.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/tefogomo.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_off0000b053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB053 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC865 | 15232 bytes |
SHA-256: d836d8427b96995c04b8c11343bcd220f8b5c24c7da99c875d5f3ca297975b8e |
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font_02_sfnt_off0000eecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECB | 10848 bytes |
SHA-256: 5d3dcbbb482e446b1f7f9079a7c386323b0ed833b3b494737111b708023784a8 |
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