MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external URIs and links to compromised WordPress upload storage and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
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://laborke.ru/uplcv?utm_term=oilers+schedule+2018-19+pdf
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/77063696762.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/aecc6d8dbddc205101e6ecce375ebf7e/25017402088.pdf
- https://sitpchemcieszyn.pl/_sitpchem/file/52863951378.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/nolezog.pdf
- http://www.stadion-zarya.ru/ckfinder/userfiles/files/rezimifegafa.pdf
- https://medicentrumnz.eu/medicentrum/files/file/33152558874.pdf
- http://moyamoya.center/images/hand_uploaded/files/93808860913.pdf
- http://dyglas.com/userData/board/file/dasatavuxed.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f0c376e18---73164924937.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d5639f634---78860323777.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160749f90ca9f4---vexujagutix.pdf
- http://vce34.ru/attachments/file/pepaguxuraxuzugenesewa.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac836c913a0---22160694162.pdf
- http://goldmustang.ru/files/files/fututexelokerakujulevala.pdf
- https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/fe97bde6255108909c509118963ebd09/50258770210.pdf
- http://aisef.org/uploads/userfiles/file/file/zifepe.pdf
- https://classconnbio.com/img-jacson/files/zudonalukep.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/efc3af1c1369d5b4a056caeb3c8b03a1/lokisutem.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b9408120a5a---54748668160.pdf
- http://saluteebenesseresas.it/userfiles/files/59686885133.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/ahjdq7dk08q76492lgjm9b76ln/bumujumekakobatelutazus.pdf
- http://malifer.hu/upload/file/731800495.pdf
- http://papianiarch.it/userfiles/files/24170915774.pdf
- http://paykaaluminiya.ru/ckfinder/userfiles/files/26356337903.pdf
- https://vibangnhadat.com/uploads/files/38185821197.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_off0000c7a0.binbe2b4f9cf05b1c8b3223ab05982072897bb945fde859c8cd751428e240e081ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A0 | 17444 bytes |
font_01_sfnt_off0000f4d7.bin8531fb6ee221b8540981f30bbba5309f9d7b98ce37f5d498bcd73d6c53014a51 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D7 | 11064 bytes |
font_02_sfnt_off00010ed4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED4 | 16792 bytes |
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