MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links to compromised websites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 https://wastran.ru/uplcv?utm_term=create+pdf+from+pdf+pages
- http://wooshin.kr/uploaded/file/61617976560d8cabc5fbc8.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16078e8c79aa3e---65324562252.pdf
- http://color-gateway.com/userfiles/file/fibakewugenidonupojapet.pdf
- http://pwr-tech.ru/userfiles/file/faxixamopuzozijawo.pdf
- http://healingtown.org/userData/board/file/revaxiz.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a939a6d2b0---29829376516.pdf
- https://btsmstlucia.com/atomicsteps/upload/userfiles/file/worilulude.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/6ma3q14i5dlr5r31ma2tsdpr05/66608775075.pdf
- https://mfdesign.hu/files/file/voxatureb.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16077d2ec540f5---8985407137.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160a8de228aa89---73059120461.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16084cf96b0b29---pamupi.pdf
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/954c0f469bc97d15212fdeb7f3b299cb/zinemoku.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/779ba164e4f1bad062362fefe025df92/jojipotupizu.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/g5nshq5jila7jr0smv01v68b56/53614566128.pdf
- http://humanitool.ru/userfiles/file/kasolafe.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/e166df3c9d58c253c1bcb855193a42e1/zirunev.pdf
- http://krevue.cz/UserFiles/File/tipolunoponivefazivawu.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a732d3469bf---83819653634.pdf
- http://ajivikafinance.com/userfiles/file/zadilo.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/94255cd4a1eb2b55edef8dcd4b25edc6/71127862455.pdf
- http://sparkpro.lv/content/file/18201612163.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bfb672e0d---satepamenedorebewunisovit.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ehsj7b6ron4var9qi3g7kb6q0k/82714611400.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_off0000bf85.bincad34d95aad15f4662345c06bc457ff8f07f731d8ecb48285cd9d7e509f7dc8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF85 | 16388 bytes |
font_01_sfnt_off0000e9f2.bin2b4f3a03e964616f9f428f3a344427a1ea2076ad360258e8fa9c841e256b1ad7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F2 | 10632 bytes |
font_02_sfnt_off00010224.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10224 | 16792 bytes |
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