MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution lure. The PDF's structure and the nature of the linked content align with common phishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://emrc.ie/upload/imagecontent/file/dugamuwonozu.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab77b5d20ec---gomatowatudurajekuwok.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1dc88f3c37---52524109276.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160821104dbb3a---donamusigutuberexinowox.pdf
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf90d775282---78392256471.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb3512a347---kegazapamitibotamoritovu.pdf
- https://bishopsalamatkhokhar.org/userfiles/file/buxalusosulun.pdf
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/ff6a9efa6738ccd2de8677809f004a54/sawufamebederemep.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609834dc0a341---4425954172.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/29scv0r6cgt06l2vu6ar7mdhcb/36014947062.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160839701317d7---befowobulebodijiji.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e91dc95524---13106536343.pdf
- http://daindnc.com/fckeditor/userfiles/file/79388459407.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c820dbbd6---364504972.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/7815fce8e2ca10f531a9c98ae5d5270d/xetopuxikufolo.pdf
- http://krevue.cz/UserFiles/File/93169028258.pdf
- http://aylincinarli.com/fckfiles/file/suxisujajavejidizewida.pdf
- http://prime-standard.com/piceditor/file/43410110219.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bdqlr3fgbaj6h3a6l4uff7du03/48992515548.pdf
- https://motelandratecuci.ro/userfiles/file/jowolojoxutagotiripu.pdf
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/9knkd1ntruptqad4vp07leblk6/fetogusorawifat.pdf
- https://bestofbucerias.com/upload/file/zibupipobududosopo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=duality+of+mankind
- 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_off0000f8f3.binf3ef0eb5b74fd7576c6385d50a5ccb7728cb632e8cb1c5f6c48b3380ec057cab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F3 | 10420 bytes |
font_01_sfnt_off0001107e.bin5218b7badef436cd3078a8a64cb40a413ffc51e9e6f49204b67e3a718f493257 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107E | 17360 bytes |
font_02_sfnt_off00013d9c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D9C | 16792 bytes |
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