MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and ClamAV as malicious, indicating it is likely a phishing or malware distribution lure. The file contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files, suggesting a link farm or redirection mechanism. The presence of embedded URLs and the nature of the heuristics point towards an attempt to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://wastran.ru/uplcv?utm_term=how+to+shrink+text+in+pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608757591f8ce---10921917546.pdf
- https://goodluckfishing.com/ckfinder/userfiles/files/56088389799.pdf
- http://ladue62.com/clients/2/2d/2d0487a90c18d3a1b3df44839405a665/File/dugovexivokajajukejivu.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ea7355e351e82402322ad0d640337c1d/68270302808.pdf
- http://tokyoto.pl/UserFiles/file/23849453645.pdf
- http://www.anieliasfx.com/uploads/textareas/file/97419098536.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab189cf0d9---takapigobifapigoxe.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a403518770e---duninojenudekalow.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc524e8b84---powazalilabim.pdf
- https://resonanceacteurs.nl/userfiles/file/duduvatesatoxiluni.pdf
- http://brooklynsmokeshops.com/admin/images/file/gogevopejobozujobebajil.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/da2cc6249c3d6b13427304dc12f71cd7/dumodulupodibow.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091a59690946---woparekivutadilin.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/pmbhndkdhmq4rq9l424p7rbrqc/35209286974.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160981e32d0304---76187333776.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf658d4b76---gipiwusagixipowomosuvugen.pdf
- http://goodwill.pl/userfiles/file/25012887400.pdf
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/c67bp6fglp7im8mk3qtqhand9f/sazumojaxurip.pdf
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/f64ea5e43a95fc35cfb71b58a5428ac4/43128772741.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/93120c19c7597288b7a87acc12c26385/jemadepotus.pdf
- http://tasarimak.net/ckfinder/userfiles/files/30665278311.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/6urh9ljlfn9e6hketl92po90i1/4288692675.pdf
- https://jmcoverseaspvtltd.com/uploads/files/wamibinesaw.pdf
- https://angkoronetour.com/userfiles/file/84677596523.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_off0000fca5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCA5 | 16792 bytes |
font_01_sfnt_off000114b7.bin9238399a434c37c96ebf21b833e48ba5e598ac39af31ad17e0aa1cda0f23de27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114B7 | 17684 bytes |
font_02_sfnt_off0001434a.bine89a0f8f836debd28b3c5c251bb9764caafeae4454d1b7649a15bf9ec6df4e40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1434A | 10656 bytes |
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