MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious destinations. While no scripts were directly extracted, the presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/13kntgj891h7hlf20k563b0pr5/53230089335.pdf
- https://pensiuneavalentina.ro/app/webroot/file/11616226716.pdf
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/bbbd90a74725f4670c16b63122bbbe3a/65368353710.pdf
- http://partnercable.hu/files/81071511329.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f7f21fe71---10680830424.pdf
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/f76cccd83a36b5ed40a9fd7f1966933f/dozuwawanaweximujek.pdf
- http://goldenteriyaki.com/uploads/files/bimajuneretubokutiredufe.pdf
- http://stellamaris.cz/userfiles/fubamoxokatunuw.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/7f828a126755e5553e9d9325ba776beb/63138711197.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/9f5cc5e4654984d0e58ac5b149b9c05e/bojipe.pdf
- http://roocenter.ru/upload/file/xomusokitetuvugafinoma.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160becb389d578---78378293903.pdf
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/235cc707d0ba01c1f707f5ec4e6c3a62/niwafafanadur.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59bc1b6a73---gijogibekux.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcaf5a82c1d---24784790464.pdf
- http://toyotaquangninh.org/data/dulieu/files/pabotoxijarigizowad.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/3bkg1gfqndubpadltuaad23voi/60356336545.pdf
- http://aaaexpressheating.com/userfiles/file/54913178473.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/93jfi6431vmp50j1gmkm76tp1p/wofosikikukisuk.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608344da8b9f3---pesokoxawun.pdf
- http://ylgems.com/file_media/file_image/file/79408766104.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1609897958fa52---27555921934.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608839ffd90fc---wejovori.pdf
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/70513487548.pdf
- http://harasim.cz/uploaded/files/17835690972.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/ec73977mgq3cgt7iom24n84pik/kivufefapenefexutolejapi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=are+green+peas+fattening
- 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_off0000f5a2.bined8d35edea7c74cadb375092332bf851d369343e5fef3e6ff629421bb50325e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A2 | 16652 bytes |
font_01_sfnt_off00012109.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12109 | 16792 bytes |
font_02_sfnt_off00013920.bin851f521978cd02a5809e8811d25cbf7ba3eb53d693f6ad5ea32b2e8b8cba132e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13920 | 10348 bytes |
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