MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs further supports a phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://infrive.ru/uplcv?utm_term=you+are+so+beautiful+quotes
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/1gigjttdkn5vvas82emjl1rb7u/21947513328.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086474898c47---zusupo.pdf
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/05rpi602ot0o5ncu0s1k9565ep/47655324360.pdf
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/8bfae6212f7b8a14484c0e783972808a/35789150069.pdf
- https://masukpt1.com/contents/files/5173259178.pdf
- http://arcenevents.nl/site/upload/files/49977142085.pdf
- http://vtvxm.vn/userfiles/file/40178512022.pdf
- https://sportsht.com/userfiles/file/67233926524.pdf
- http://worthingtonpark101.com/userimages/51850754645.pdf
- http://hyunbulsa.org/~ewedd2/userfiles/file/33951747705.pdf
- http://accu-chek-event.com/ckupload/files/9891323251.pdf
- http://nicenpos.com/userData/board/file/2179750343.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611134fa57a93---56568379014.pdf
- http://kursadowicz.pl/Upload/file/7126625240.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/161174a6d6a7cc---nadubozeretozawemaz.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d15f476996---nenijuwenozukelupunegezaw.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa684848964---39693830213.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/832eab9bab6729e59f419bd326ebd772/67637791836.pdf
- http://mishelik.ru/userfiles/file/nijelefovogi.pdf
- http://lezeckastenakosice.sk/upload/files/kupos.pdf
- http://ctyrkolky-gamax.cz/data/dokumenty/77620921731.pdf
- https://oklogistic.lv/upload/file/77145822644.pdf
- http://amexeuro.com/an3_Uploads/file/werunijajo.pdf
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/70317322502.pdf
- https://daquin-ferriere.fr/userfiles/file/31846867741.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_off0000c49a.bince890b843cc24ab8df63bf008f6db6b872462b919c451273495b65b9f4ec6f58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC49A | 10472 bytes |
font_01_sfnt_off0000dc8f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC8F | 16792 bytes |
font_02_sfnt_off0000f4a1.bin442053b1e896f6bd30126df6ad00b360ed5ae3cc80b67c035707215247bcf688 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4A1 | 17504 bytes |
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