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 a phishing trojan. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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://quickvideo.nl/userfiles/file/falezogelijowisafujotu.pdf
- http://abacusnancy.com/userfiles/file/xegarobilirakutanewopezi.pdf
- http://puzynowska-kancelaria.com/userfiles/file/58275774074.pdf
- http://araonline.hu/uploads/file/22599414855.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f53dadc08---5659550973.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/e8680b5666387e86bbb1d5c829f33dec/metom.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/780971e23347a884709c69bae74f5844/kotofizutoposape.pdf
- https://szabobuszrendeles.hu/files/files/44822277373.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16074d21a53013---57384139021.pdf
- http://fmi.lu/userfiles/files/fupigedu.pdf
- https://avenue102.com/uploads/file/29722338556.pdf
- http://caf-ljubljana.si/docs/sokewapepuxuk.pdf
- http://studioguatta.it/userfiles/files/zokuwapo.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/48e8dfed80ddc3325a18f6f629cbb72f/nunazoj.pdf
- http://amadpich.com/userfiles/file/danawozov.pdf
- http://timandlor.com/userfiles/file/13993062150.pdf
- http://kubak-ubezpieczenia.pl/userfiles/file/11117913261.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160838db593630---velonobov.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a6c2c1be26a---jovulifesiv.pdf
- http://luvnchrlysenglishtoys.com/clients/861429/File/13367984380.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a198866558a---59745070506.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/5cc83c5b15226341ece5287a50f2e6d5/15588403775.pdf
- https://profix.fr/ckfinder/userfiles/files/2874501185.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=aldactone+and+acne
- 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_off00017420.binf76c7499d3a9eab06c9abb8aa157bfd52be9a30ef72ee451f03be8ee33b41a64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17420 | 9984 bytes |
font_01_sfnt_off00018a60.bin2da6e84dbe301e8d4d0b8cc9a3f36ab68e45c26f3af2f89441d6b216ecb8a05d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A60 | 18952 bytes |
font_02_sfnt_off0001bbd5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BBD5 | 16792 bytes |
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