MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple URLs hosted on compromised CMS platforms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and URLs point to a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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 http://gallery4walls.com/upload/editer/file/81163758893.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/dbed0bd10bd65df02e7c234f1df33c8b/wikaxezunixiwinotanut.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/9078d4e8d4d1030d303669f5801e125f/mumufuvaduguwo.pdf
- http://homelife-superstars.com/image/files/guxifiwulegukosejosar.pdf
- http://projecthouse.bg/uploads/CKfinder/files/13084031753.pdf
- http://www.fred-robin.com/ckfinder/userfiles/files/42941361748.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/1a65b6b38d90090082e2bb0d6093fba8/88396340484.pdf
- http://poltinik.ru/userfiles/file/mowilebizaga.pdf
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/tvesu6uc9jihto97ets1ius4tt/jasinobusi.pdf
- https://onwater.my/uploads/file/fuguxosixoj.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9ab50b53a---71803410394.pdf
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/q1ubopj8rdoc18and4oavmme05/newikutilarawuk.pdf
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/5e1490f3383f0e23cc93aaf0619a9135/minot.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/lif9vf19sa6esfnu5pf0ruhr9l/soxamoponuwalivubopuk.pdf
- http://ceresasrl.it/userfiles/files/55407317149.pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/75be6243e1e4147962cae7f03a8c124b/giniwijuvugemegilinet.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e634fae6da0---fezakuwazisuf.pdf
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/mavizuratetofalixusaro.pdf
- https://kleinimmobiliere.lu/userfiles/files/zewajonawufokewuz.pdf
- https://fotobolfestmeny.hu/mvc/userfiles/file/20375989373.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16076f8bccca32---bexakojudapodawaxegomo.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/b3a26a9f75b2b40c00bedad95e34e98e/56965837751.pdf
- http://professional-tuner.at/uploaded/file/fudogalawisuwikiwaravifi.pdf
- http://yonseri.org/userfiles/files/sobukalipiwoxepe.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=1000+most+common+words
- 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_off0000e20a.bin52ce667e3fcd8821537286235843df5cfa6e807afb1191ddd1f78a84baeeb3eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20A | 17864 bytes |
font_01_sfnt_off00010f26.binbf9edc002a59bd0e69b4e2e12ed1fb1887c644d89b9776c73b069fc8108e340c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F26 | 10260 bytes |
font_02_sfnt_off00012642.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12642 | 16792 bytes |
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