MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads, indicating a link farm designed to redirect users to potentially malicious content. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d0e7d58317---legivelupigadidomaluz.pdf In PDF document text
- http://wangguanhardware.com/userfiles/file/rotisipuxanusofatematox.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/77807251031.pdfIn PDF document text
- http://serdceprirody.ru/userfiles/file/43109862581.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16147f6848442d---25093894226.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/mbfbq0uodjkrdvr09jj9sfokmb/50826218507.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/2311133358.pdfIn PDF document text
- http://scro.ru/pic/file/kemumilumiluxugazukofu.pdfIn PDF document text
- http://munnartourism.com/uploads/file/14540697289.pdfIn PDF document text
- https://www.adom.biz.pl/ckfinder/userfiles/files/5556114663.pdfIn PDF document text
- http://sieuthivatlieuhoanthien.com/upload/files/narokonidanokelij.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/latajevibuxenapez.pdfIn PDF document text
- http://tiga.co.th/ckfinder/userfiles/files/90085282168.pdfIn PDF document text
- http://forepic.com/_UploadFile/Images/file/bumejujoxevekewaxev.pdfIn PDF document text
- https://strings97.hu/userfiles/file/67311265240.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/zemoveluzovojaxizozafaso.pdfIn PDF document text
- http://noithatnhapkhaugiasi.com/luutru/files/88667799982.pdfIn PDF document text
- http://studioaeditecne.it/userfiles/file/fifewinezolevoke.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/9b93b67cabca8a05ca023fd9ed52696c/1175519828.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/20654128559.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b1ec1bcb99eb0546ddc577abcabcf0a8/sorezotufupajem.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614620cb23d43---77414748267.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=best+co+op+survival+games+androidPDF link annotation
- 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_off0000f5a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A7 | 11076 bytes |
SHA-256: e578522d31a8ac09ac28fcd23e9e87e413a06c25fdd82c391fb1baea380a15e1 |
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font_01_sfnt_off00010f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F4D | 17400 bytes |
SHA-256: eae5faf91fbbf0333e787b715b8fec2a80435b2ddc86bd82956f8a6ffc115d5b |
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font_02_sfnt_off00013bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BB1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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