MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised CMS uploads and disposable hosting sites. While no scripts were extracted, the presence of numerous external URIs and the link farm structure suggest a phishing or redirection attempt, likely to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://goergenpainting.com/clients/0/0d/0d1038892961fdbf96b6a8e7e8daca8f/File/39087290003.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/8ba6ad1f9a1d57f0363211a14db2f18c/kugakabu.pdf
- http://bigband-ulm.de/userfiles/files/16572801845.pdf
- http://abogarestudio.com/userfiles/file/12532563939.pdf
- http://files.ibiza-ferien.de/file/sutuzadejibiguvodolug.pdf
- http://tuanayapim.com/rsm/files/9832505682.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c86d4a6bf5d---nitoraxededowadinaxu.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/23724721979.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/ba0354842888d441f6e3e55b0b287e32/fuvided.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1df8a4340---lozojokakeg.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/0ec8405283070201d49a48506cf3e8ec/suzokatumasiwumo.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160898a343bcdb---zunoginaxukifujuw.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d94801a77d4---wadowexa.pdf
- http://vienkiemis.lt/app/webroot/uploads/userfiles/files/85250847722.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/15bad20177bf5f105adc4d54754d9c05/48408961894.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/d8b37021902756018bfa2b3de23cb3f3/kafeziwujek.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c620e3ed6---24192451068.pdf
- https://farmstead.tw/farmstead/upload/files/48096403879.pdf
- http://elmbbq.com/uploads/files/bodujipipikuzipa.pdf
- http://kapelski.pl/userfiles/file/39573815752.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-25/20210525040938359129.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160901608df241---82117541486.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/6834dc76f5c84b1a677670ee724b68e1/99205535222.pdf
- http://goldartline.ua/userfiles/file/58626005825.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=epic+theatre+conventions
- 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_off0000e03f.bin532bd6a1c207685f9260f0a66ee2724b42b33ac0ebd5088802ecfdc2c83ab363 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE03F | 16504 bytes |
font_01_sfnt_off00010b28.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B28 | 16792 bytes |
font_02_sfnt_off0001233f.binf4c1af6988fdaf6bcd2910d26a9fdca5b6eef902c98cd0390d7d4d5c2929dddf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1233F | 10472 bytes |
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