MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised websites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The embedded URLs are the primary indicators of compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://www.allatpatikapecs.hu/images/file/27346345221.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6d018b517a5e97b7fe3c870fce05d9b2/37250510176.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27f9721def---xilarukadotizofa.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a01877c225e---luwekegu.pdf
- http://stacjaregeneracja.pl/userfiles/file/16447311535.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072990f4f988---notusenugoji.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d29bf1a334---36780464714.pdf
- http://www.houstonorientalrug.com/ckfinder/userfiles/files/46730643383.pdf
- https://x-software.cz/data/file/42521438374.pdf
- http://paulsaperstein.com/userfiles/files/xovoxifoj.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0673c2c6fe39429a6955535a73a21e72/97705450226.pdf
- https://edu-mate.kr/_UploadFile/Images/file/96982900147.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/04ecd8210d8b73b8b1d8476a04d0a86a/wosodexoguzep.pdf
- https://imotrading.com/images/userfiles/sajoxisidunit.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097a2b80b84d---57554123919.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/a57e834ae67c018e5627f8c614423c00/risigatugef.pdf
- http://slesnick.net/userfiles/files/11255424.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5cf597792---numufuxukedunaru.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1607560e3346f6---55470191653.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/71485037110.pdf
- https://akapacha.com/userfiles/file/rizajax.pdf
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/ed37427995c4ae1296535d7145eadf11/bodabovob.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072155e70a0d---jiduzukato.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=reduced+movement+37+weeks
- 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_off0000eec3.bin1270d07a0f0d881f2ebd4161ca575691def51cecb7ea6a6e8cf6bd5d011a732b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 10740 bytes |
font_01_sfnt_off000107a9.bin578774e4ce1a2aff56419e0af9ff7147087c2ea7c15e92746bc55a11c709800f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A9 | 18096 bytes |
font_02_sfnt_off000135ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135FF | 16792 bytes |
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