MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms or disposable domains. The embedded URLs suggest a lure, potentially for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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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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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://archism.ru/uplcv?utm_term=minecraft+pe+vr+android PDF link annotation
- http://bonsite.nl/phpcmsys/file/beteke.pdfIn PDF document text
- http://kocavietnam.com/upload/files/ladirovogomixujobi.pdfIn PDF document text
- http://csc-020.com/userfiles/file/20210909175403_4urkk3.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/48107734912.pdfIn PDF document text
- https://mami-m.com/Uploads/userfiles/files/37234077353.pdfIn PDF document text
- https://dynasty888.com/image/files/20210908_041541.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/sekot.pdfIn PDF document text
- https://taiwan-tiaya.com/upload/tiaya_official/files/gasesoso.pdfIn PDF document text
- https://kaktutzhit.by/uploads/files/sifofenam.pdfIn PDF document text
- http://123flower.doweb.kr/upload/files/xewefazawilogaxed.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/tonesosoxis.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/rawesidokibefur.pdfIn PDF document text
- https://cairparavel.ro/app/webroot/files/userfiles/files/vivugilonom.pdfIn PDF document text
- http://www.rafaellucenaehijos.com/ckfinder/userfiles/files/gojini.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613877c60a2d4---55299080372.pdfIn PDF document text
- http://novichiha.ru/pic/file/59159014885.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/pekikof.pdfIn PDF document text
- http://373113.linker.tw/files/bixurimaso.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f01805a22---sokebu.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613be24aa1953---fifexilurizimud.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/4649047213.pdfIn PDF document text
- http://e-photo.lv/ckfinder/userfiles/files/wejari.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_off0000c8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0B5 | 17708 bytes |
SHA-256: 93801bc68062963e7aadfc85be769efcb5b8d96a87aa450c84817ae6fdb9cdf0 |
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font_02_sfnt_off00010e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E7C | 10456 bytes |
SHA-256: e39a0a40d6cb2f5698295563541c67031c8689f08644daf19ae6ddeaa966d718 |
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