MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains a large number of external URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. While no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of a malicious document, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://laborke.ru/uplcv?utm_term=english+bad+words+with+tamil+meaning
- https://path.mn/userfiles/files/vosepojodosijerip.pdf
- https://etadelloro.it/images/file/78300529325.pdf
- https://t2sc.me/userfiles/jetutesuzofavazojajemefam.pdf
- http://www.drivingschool-brno.cz/files/files/naridodiwuzusabowave.pdf
- https://augsburger-dartliga.de/uploads/file/lufaf.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/dc33c412a9c9e4fb5c4e8b0ca772d815/79559919921.pdf
- https://tjpapigroup3.com/contents//files/32589596164.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/3855b8e714d2b99edf001d2c33608ec7/58692797721.pdf
- https://soechi.id/userfiles/file/pokupuvuwubenofiw.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/20db59a93549622b0e3c6602b03dc019/40091471608.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f10caa6e562---12317859865.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/2a35f4771a5a5e8c419097956ac8b57c/17237378196.pdf
- http://omonetach.pl/foto/ilustracje/file/42011849583.pdf
- http://agcslohian.com/userfiles/file/17535808469.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17988a4d5---rewenoni.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4ec3b4055---saxug.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8389a8765---gorepusuwuzorotifitu.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/ce4cea7003617e5e3fa93dbf81b30c21/kupepuwovezariwobunazijok.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160717d9733ff2---wuzog.pdf
- http://eviljoy.com/UserFiles/File/64665966340.pdf
- http://cafemsoffice.com/userfiles/files/9456643960.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d4e838b61eab50a40dbf22d9aeb98d38/zifizinitalokimetunomar.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d17565d6c9---jukijit.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/e2719524913db5a650aeae29a5204a51/90137925249.pdf
- http://abnicum.ru/files/file/87306658876.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f3f1.bin4cf1e349ab93b8215751f61d09b978d72484841b74423ad4c89da0d76a726fcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F1 | 17600 bytes |
font_01_sfnt_off0001205d.bin76afe6d6023b40cd4d067b4033ba63cf92e252f559e714c887e2849bb7300990 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205D | 10904 bytes |
font_02_sfnt_off0001393d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1393D | 16792 bytes |
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