MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous external URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm or phishing lure. The presence of embedded URLs and the PDF_URI heuristic further support the attack pattern of directing users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://allytemp.ru/uplcv?utm_term=conway%27s+game+of+life+c+program
- http://goldway.jp/upload/board/file/dosorisafidesex.pdf
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/f39f221c178ed3422e275c31211546ee/4181239050.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/1e05cbfaa8cb1b3210510d409e37ab87/wururizaxu.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/5tphcoubi38ul35ubtea1g5c15/21946984577.pdf
- http://mtcongnghiepxanh.com/upload/fckimagesfile/28653416108.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/q5tbcll782gnpcq08896lrr5c7/50433044783.pdf
- https://fid-data.fr/app/webroot/uploaderfiles/37128677040.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/1607169ff79c0a---47077881518.pdf
- http://sun-green.nl/ckfinder/userfiles/files/sazozizixib.pdf
- http://alexhofford.com/temp/files/file/xurimuwemaxijin.pdf
- http://scard.vn/app/webroot/uploads/files/bopep.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfa775cbc8---7920610889.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d4a8e09c93---xupurowukexire.pdf
- https://mwasafat.com/uploads/files/93329719938.pdf
- https://red-adlay.com/upload/files/89203612438.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3633c52ea---biseriwomit.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/2a53ae788a39ba076134cf592c21a072/nupufozexokopobusapi.pdf
- http://profesniprukaz.cz/ckfinder/userfiles/files/42432195959.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607d701d68df4---8199082834.pdf
- https://partnyor.az/userfiles/file/dufebiguwe.pdf
- http://x04ydivan.ru/userfiles/file/luvatekanagiw.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_off0000c359.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC359 | 16792 bytes |
font_01_sfnt_off0000db70.binc782a89c00598fe25764185761df26289760208b859a59db513bdbd0c815e10e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB70 | 10988 bytes |
font_02_sfnt_off0000f511.binaba3b45a24afeb55fc558304b3e3bc76c7c5f2142a215de6a8c6ee9389a2e2eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF511 | 16008 bytes |
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