MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links pointing to external websites, many of which are hosted on compromised WordPress installations or disposable domains. This behavior is characteristic of a link farm designed to distribute phishing content or malware. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://crewmak.ru/uplcv?utm_term=gta+5+for+download+mobile
- http://lovec.bg/root/ckfinder/userfiles/files/15494404372.pdf
- https://sanidom.pl/img/file/45553878808.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1606f309b093e9---fomavosolunirifubobasareb.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/3fp3s3afisoh87f5ugeldrtn0s/bozab.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a77304b59a---nusomuxiradowamujerag.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160aed1046d9ca---nunudojotevapu.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608af5001aa26---28651486562.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608351f458b9a---turavop.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bba5e316b95---teworojix.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/6rof7iv8p89n41lsvtjhtv3fv6/5490245796.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/7e4403c09b526132f52e30ec7268f884/mawog.pdf
- http://gmkms.net/upfile_editor/2021/files/wanikos.pdf
- http://ibb-online.ru/f/file/55255259559.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778d07d933e---patelaruluros.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160807996506d2---21039681279.pdf
- https://amd-export.com/site/upload/file/43803064773.pdf
- http://apcmagon.com/userfiles/18801704770.pdf
- http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/powasegu.pdf
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/o9et8emjka4ieoa67efprdf5jp/80493135908.pdf
- http://ccymgr.com/clients/a/ab/abc9983c1712fd324c9320bcfcf975a8/File/18022093705.pdf
- https://remoteyourstaff.com/calisma2/files/uploads/jokodufavepax.pdf
- http://bright-mineral.com/uploadfile/file/2021052502491289.pdf
- https://stef-nancy.fr/upload/document/65223297166.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/dc541e423a2d43667a47fc35060ac5ca/31216469663.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_off0000e8a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A3 | 16792 bytes |
font_01_sfnt_off000100b5.bin334151efbee29932c8498ffb192c21f4f722fb426692890d76076de79bf9e307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B5 | 16752 bytes |
font_02_sfnt_off00012c59.bin47d915b3ef72530f22213395722557881b0023b8ef78c4f739992b07c18a2cd0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C59 | 10744 bytes |
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