MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was identified as malicious by a ML classifier and ClamAV, detecting it as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to external sites, including compromised CMS uploads. This suggests an attempt to lure users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://lafiestadelmoto.cz/files/file/92650366962.pdf
- http://soepcentrale-dekeyser.be/userfiles/file/wanelafamiviwipal.pdf
- http://waypl.pl/upload/File/89189120056.pdf
- http://gbfrjournal.org/pds/userfiles/files/86183979279.pdf
- http://norilskgu.ru/userfiles/file/motubuwigaxoxiwi.pdf
- https://granitnet.hu/editor_up/rowolivobusipexi.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/opep1ciam0qljhll8otvdk8n6d/48177938391.pdf
- http://betonkeritesek.eu/Content/files/ravumunuwanere.pdf
- http://apothepharma.com/upload/files/baxonakajeburubesebewimi.pdf
- https://tatvan.in/userfiles/file/favolivozobogova.pdf
- http://tydafa.com/dafa/uploadfiles/20210910090000.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a71ih931a0o98ug9rs1hhsk5e5/8275823053.pdf
- http://nguoiquangphianam.com/uploads/files/rajova.pdf
- https://nmg.lv/img/uploads/files/birazibovejojevopusozij.pdf
- http://na3.it/misc/file/68355983606.pdf
- http://creaorganization.com/depo/sayfaresim/file/fawibeka.pdf
- http://demkapi.com/resimler/files/67767908201.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ddb38c22cd---vulazebitapopazapu.pdf
- https://tekartltd.com/upload/files/duzod.pdf
- https://poojaindiangrill.com/nbloom/fckuploads/file/44781970098.pdf
- http://suspensionestg.mx/userfiles/file/luzifutejevofujajojizib.pdf
- http://jfe.hk/userfiles/13532848837.pdf
- http://0851gay.org/userfiles/202109file/2021090313480270554.pdf
- http://herium.net/FileData/ckfinder/files/20210909_387B66B1DA2B8029.pdf
- http://kdbelektrotechniek.nl/uploads/file/1656764959.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=english+vocabulary+exercises+for+beginners+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_off0000cd3d.bin56b00ef5ec31e1a320ca00201a57c76426f0bb27713d10f2123e4f249c159f8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD3D | 16468 bytes |
font_01_sfnt_off0000f7be.bin1d803052e6cd279561326e25bf8a2c8ebe1d4a2251d02a3f094898618bf8cdec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BE | 11308 bytes |
font_02_sfnt_off000111de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DE | 16792 bytes |
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