MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged 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 WordPress sites and disposable hosting domains. These links likely serve as a lure for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://pistant.ru/uplcv?utm_term=chi+square+practice+problems+with+answers
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075c25f9f101---kawijazezubufatazaxep.pdf
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/b815840e4e7497ad760f0b9cf7cd57d5/84268690258.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a65ec6f010f---91577223662.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/b5ca218842d123222629214533518e9d/89733476858.pdf
- http://446888.top/userfiles/file/pimunasekeji.pdf
- http://mhinflatable.com/upload/file/sazusafanakebekapuden.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16072103b7c3e3---68748283585.pdf
- http://bagiez.com/userfiles/file/98045076805.pdf
- http://bjjiffy.com/upload/xitakowe.pdf
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888ecb5e8e0---duzosanova.pdf
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a043dc0ffec---nakepe.pdf
- https://pottoka.info/files/galeria/files/fagejomekemivenuketino.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4cbe542d2e---43770011154.pdf
- http://simonide.org/userfiles/file/14123625668.pdf
- http://www.awakohchang.com/image/upload/File/oriluduz.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1056ce998b---67955975017.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dca2d1a6a6b---12486055465.pdf
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/auua1csfafambmfja6h4or8rur/42809001457.pdf
- http://suacuacuonthanhhoa.com/upload/files/19077177303.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16082c78351600---fusevarito.pdf
- https://teamcode.net/upload/files/29262965335.pdf
- http://www.climatisur.com/ckfinder/userfiles/files/bexusirudepat.pdf
- http://446888.top/userfiles/file/valis.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_off0000c11c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC11C | 16792 bytes |
font_01_sfnt_off0000d92e.bin49003f2a5927997bd524994f7e87983cf96a24bc968dc7635af1349b6b111fcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92E | 17504 bytes |
font_02_sfnt_off00010774.bind90a3f4a4e5456bc252518ecc8a5b416924f02d81a26f994facef3cb381f9acb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10774 | 11144 bytes |
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