MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious content. It functions as a link farm, directing users to various external URLs, one of which is `https://queure.ru/uplcv?utm_term=friv+watergirl+and+fireboy+1`. The presence of numerous links hosted on compromised WordPress sites suggests an attempt to distribute malicious content or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://queure.ru/uplcv?utm_term=friv+watergirl+and+fireboy+1
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091903876541---73251085159.pdf
- http://banlinhkienlaptop.com/userfiles/file/83362915192.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/a04f16e21111adaa430c202978a47a86/74191635933.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6dee613ac7d8f0e4be1a81bc2f3932f1/73597191510.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/ddnfphktvk03ne26lo9jvvl4ad/60654167756.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/b8r7jhoqe1pioa7cil40o6aqav/76381584934.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/7qtq784chhl9jn2k2qkh3fm5lh/buzetufibinetafurose.pdf
- http://bhk-aindling.com/userfiles/files/jipusikorolawu.pdf
- http://datavincity.com/uploads/ckfinder/files/28287339966.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086d2923217f---33727161039.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d10bc2e713547a21ac18f24276c32202/nenetiwolerufis.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/d2sudiue4mn9h97nu9o15curpl/2447084598.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/eeb859faaa94694e266a4b4737875007/kavevelajivovat.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d38a9c0eb---86901940971.pdf
- https://dailyhondaotomientay.com/upload/files/bipububudevi.pdf
- http://bjbtrh.com/files/pic/file/lafopijumiwu.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/c09878adcf6b52bd9382a49b14a82b64/zexukewozuruve.pdf
- http://aplus.to/userfiles/file/9612644203.pdf
- http://irk-yoga.ru/upload/files/damisovetapozubuwobiku.pdf
- http://www.abcklima.hu//data/editorfile/movit.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f5lsd00fmu53a3d1r9a3hoktq1/1504341460.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/8acae5e482cc43a06b3b34613bd9e398/77859542742.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607211c7c7155---78446624628.pdf
- https://ofertaromania.ro/ckfinder/userfiles/files/37252613726.pdf
- https://bloomland.com/sites/bloomland.com/files/14863851786.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_off0000c8b4.bin2f139433ca967c41d9f4c59ffa9ebcbd5d60809e91ead0ef4dcc04c38560117f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8B4 | 10796 bytes |
font_01_sfnt_off0000e18d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18D | 16792 bytes |
font_02_sfnt_off0000f99f.binbd5761a539a23bd877b33b56357e0366f224c033aff45a9ae7d05e8daad1bb16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99F | 21028 bytes |
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