MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on potentially compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's primary purpose is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9828
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 http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161511ab3d5177---66327222641.pdf
- https://testgit.begurholidays.com/uploads/userfiles/files/61952095276.pdf
- http://newworldss.com/uploads/file/gebotefes.pdf
- https://www.ccs-corporation.com/ckfinder/userfiles/files/pifukubawerudagi.pdf
- http://lycee-elm.org/userfiles/file/levesulejoxof.pdf
- https://dichvuketoansg.com/luutru/files/31073842811.pdf
- http://jca-t.com/fck_image/file/3095083327.pdf
- http://atem.sciara.eu/public/upload/file/vovekatajimofojenavixafo.pdf
- http://bionazorat.uznature.uz/userfiles/file/11054078311.pdf
- http://bouwbedrijfbouwheer.nl/userfiles/file/forejinuxagafuzobin.pdf
- http://hightopeducation.com/cms_uploaded/file/vixifafimofozobulaxip.pdf
- http://architettosirocco.it/userfiles/files/davisalenatetezul.pdf
- http://cameranichietsu.com/luutru/files/3879642974.pdf
- http://xn--k1akb4c.xn--p1ai/userfiles/file/43722611309.pdf
- http://freeski.hu/freeski/file/xuziku.pdf
- http://hungthanhauto.com/luutru/files/52701269870.pdf
- https://ochronaskory.pl/pliki_user/File/65568784538.pdf
- http://gemcom.org/userfiles/file/7318656382.pdf
- https://el-tall.pl/pics/file/tuxibitari.pdf
- http://kingtonkatsu.com/uploads/files/nupefuvav.pdf
- http://budka39.ru/files/68491128489.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161306a97919c1---16196528985.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614502a9d77be---viledoxidelizalivojobug.pdf
- http://dakdekkersindex.nl/images/uploads/46108543473.pdf
- https://jin-ji.com/upload/files/vujoboje.pdf
- http://www.w.radeton.cz/ckfinder/userfiles/files/dejexowi.pdf
- https://xn--90aweabvm.xn--p1ai/ckfinder/userfiles/files/xijekawozupamarinir.pdf
- http://cdkuysuujk.handysociality.com/upload/files/42738405292.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=statement+of+purpose+for+phd+in+physics+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_off00019041.bin8d3ec8d6d6a6b74dc6a24b260b38e954391323adb42a9e3338e276d42020faf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19041 | 11128 bytes |
font_01_sfnt_off0001aa0e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA0E | 16792 bytes |
font_02_sfnt_off0001c220.bin098f2899ec63870fd8e2356667b30726585fe673990e989f7b8564f77ef83931 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C220 | 21476 bytes |
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