MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is used as a lure, likely for phishing or to distribute further malware, aligning with the Spearphishing Attachment technique.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://archism.ru/uplcv?utm_term=percent+of+dwarfism+in+the+world
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/kmoer1u3miepkpnrq5q9dko4li/77752246754.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d023734b1c---91080291569.pdf
- http://montaze.org/democms/userfiles/file/75540533218.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/749e721471c2d99e5457ed9ce0afd965/jakatu.pdf
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/9hki0f0ob4o0mj9ho7883106o6/9047375510.pdf
- https://zionapostolicministries.org/uploads/file/11100428600.pdf
- http://be1971.com/clients/a/a1/a19be2fc4cf8b198b52f296748481ce5/File/suwavowe.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c9873b6cbdde1ac735f7015f8962e3d4/kukov.pdf
- https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/1pjjuj2dsbqiudoi0mtgne039u/75111229602.pdf
- http://chikatere.com/Upload/files/wozevagomugaxunira.pdf
- https://fnb-concepts.com/images/uploads/files/94609588299.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d72b66d17---41924086496.pdf
- http://edu-tur.ru/userfiles/file/12006686989.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfaa2332a9---janivuwalonis.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608595e57f708---pujixozozugawi.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/7837e30c6fb2b0112a69e532b977bb80/22719169124.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084473b0cb30---30985147304.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/21dac23b1b5f6c52bc863e96dd54f936/torojelarumakimizu.pdf
- http://scard.vn/app/webroot/uploads/files/nosaximibezosuva.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160a18aacb2901---wuxem.pdf
- http://phuquytravel.com/nguyenvanlinh/files/jixivov.pdf
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/9e8873e9ef89351e04194b5ce95ddcfe/36755596223.pdf
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/53973086037.pdf
- http://hasdeu.md/data/userfiles/files/34900175653.pdf
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wixelufo.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_off0001102c.binf08d35192516928157b6ac250ef11e67003fc64802dfa844e3e60669187b9981 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1102C | 16824 bytes |
font_01_sfnt_off00013bef.bin9d4fd56f57a8164367c0542dfa76251b65b398bc2d66f115bea65fe9d02f108f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BEF | 10828 bytes |
font_02_sfnt_off000154c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154C7 | 16792 bytes |
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