MALICIOUS
156
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 Pdf.Phishing.Trojan. The numerous embedded URLs, many hosted on compromised WordPress sites, suggest a link farm designed to redirect users to malicious content. The file's structure and the presence of link farms indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
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://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/b89d211117bb3070572d8e70fd73bde2/rerinozubalax.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/5hjj957sie9bc256rfa956akh6/70794066507.pdf
- http://kimwendelldesign.com/ckfinder/userfiles/files/jewafejujo.pdf
- http://studiophotosfashion.it/userfiles/files/xosonivedebigoragufiz.pdf
- https://juhaszautovill.hu/userfiles/file/sugugaranab.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/4ia1jklitumf3kc41srol2lf75/sekufegufilufubew.pdf
- http://bkbflooringusa.com/userfile/abbey/file/2130870405.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d96e0c239---nifebu.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160903cb1a48b7---tepomawesidesuwesi.pdf
- http://chokmanee.com/userfiles/file/65664187447.pdf
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/3b4dabdec54dd184c713cefb0347ef60/73576648479.pdf
- http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/53989309248.pdf
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/xilezibetuzajoteguxaj.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f8210b60a---41141180170.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a7924c5c5---wanamawezuketib.pdf
- http://ipceurope.com/assets/file/vipiponodenaruvirezogum.pdf
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/63b34d4b661ea6badf552c05f656bbc9/33836974970.pdf
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/61c49fd757ae3ed697234c81376be664/suwewobetajapitofuguta.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/fc45c8046f32acebb758690c495f21d9/zubinebupu.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb56717fbbf---175179247.pdf
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/7he90t8sc301bajte0f8jd173d/10890941244.pdf
- http://hnc2.com/userfiles/file/73734017673.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/e77778f721ebe611735662b429672b48/46825546424.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608413d695114---66870738990.pdf
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/1866c662741e1edc96bf7c954b4b8c40/gexizefelad.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=matrices+jee+mains+questions+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_off0000df50.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF50 | 16792 bytes |
font_01_sfnt_off0000f762.bine487af28fa07dd566d7984a88be892ab47987c3ffa950670d1e9a8d73c3722f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF762 | 17812 bytes |
font_02_sfnt_off00012641.bin4ff160e6b83e1371c893da419fe3adeddb3d3048d2b8c9a554973fcc278fc00a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12641 | 11104 bytes |
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