MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of links, many pointing to compromised WordPress sites and other domains hosting PDF files. This behavior is indicative of a link farm designed to manipulate search engine results or to distribute further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://beruanglucu.com/contents//files/41623827214.pdf
- http://al-bandak.com/userfiles/file/tiwumeb.pdf
- http://aiaato.com/FileData/ckfinder/files/20210707_0858919799DA1A7A.pdf
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/9c0ae1e162451939006a99935857bc03/13629472798.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/b4b353acbb64a528f8aeca937837d9d0/97787987746.pdf
- https://noihoithanhtuan.com/media/ftp/file/61479257273.pdf
- https://perfecthospitals.org/FCKeditor/file/94343283316.pdf
- http://chipmax.in/chipmax/ckfinder/userfiles/files/26161855407.pdf
- https://autosaloncenter.com/uploads/file/89028715292.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//85522191430.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/51a2a647c69bdf3eddc3e7987ee8f262/wisilisotalo.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100da05c29a8---silug.pdf
- http://pspectr.ru/userfiles/file/5203566674.pdf
- http://dsm-trhs68.com/clients/8/81/818e764d3414495a915a5f66638dc9bf/File/jemavede.pdf
- https://alshaabcoop.com/userfiles/file/74660666635.pdf
- http://broadmoor80.com/clients/866172/File/zumototutuxokokov.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3037f2fbc0---gavutesutojisagex.pdf
- https://gservicepz.com/wp-content/plugins/super-forms/uploads/php/files/2d23b8b24e207919ee3b221a4763f67e/polawapofuxugupupebi.pdf
- https://tahubunting1.com/contents//files/97476781770.pdf
- https://murtenhof.ch/userfiles/files/sodadupuwakapo.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2327956c3---zubogelilexudulodi.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfcea26ceb---toziwud.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/98d48582f73f645cf67ff91c3ed13742/80600826279.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c266655aa---98571778673.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/5b666cf01fa33a2b1af0fbe2d50a83f3/83576373824.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=skyrim+xbox+one+x+load+order+2019
- 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_off0000fc7a.bin0921a0b4ddc8ca53ac6689d965ab26867c9cc034f481f3c01e5a6fd4086e9634 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC7A | 11128 bytes |
font_01_sfnt_off0001167d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167D | 16792 bytes |
font_02_sfnt_off00012e8f.binab344a75561b29840422bde561b1639c3042dded188c13999ab4905cf2cf913d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8F | 17136 bytes |
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