MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating a tactic to leverage SEO and compromised infrastructure for distribution. No scripts were extracted, but the primary attack vector appears to be directing users to external malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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=cuanto+es+1+pie+de+altura+en+metros
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/2311c56a9296e4019ed1c410806ec246/43829024493.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb57cbdf8f9---70047466515.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/ec6rm44aagpm3779bfve6ojhej/mujiwewijusudilatukun.pdf
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/7935765643.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/u94l33ftipbvsquc0ln8tbsfc0/jaxola.pdf
- http://www.bluewhaleline.com/image/upload/File/93351296347.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa40063c57---45683011930.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d7b64c05b---53911134166.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070be495f259---5233145650.pdf
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078cacc3d6ea---rojevovopofuwoluxuju.pdf
- http://macro-e.com/app/webroot/userfiles/files/bivodagalajabufof.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bc4e187241e---16985584906.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16074262037edd---xanoriketopajezaxazul.pdf
- http://msiutilities.biz/documents/35037975033.pdf
- https://go2germany.ru/files/file/newarirebotopesoximumoxup.pdf
- http://gramercygrand.ru/files/file/80797937270.pdf
- http://alphabodysupplements.com/newerac2c/userfiles/file/tilumirexu.pdf
- http://nicolalazzarotto.com/userfiles/files/jilob.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160721e69198c9---sukafotuririw.pdf
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b16813907---fibomawobukepis.pdf
- https://envida-nieuws.nl/bsb_website/upload_fck/file/pigovotokulorozinapezu.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/c2e841129195e8cddb3b6a1780cd4903/54652079762.pdf
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/db487176b21eb8bc1c7265e6927dc52e/velijefifamovekora.pdf
- http://hocikto.info/userfiles/file/79464306849.pdf
- http://keystoparadise.com/userfiles/files/monusevesavupavazugore.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/fajk3jfqtkt4k01a0rd0nl8s0k/norabugara.pdf
- http://beerskiboot.com/img/upload/file/6623593670.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_off0000e8c4.binfb753abfcb62b58a55600ebd816591455a87746013c4cbd1162a59968878c806 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C4 | 17836 bytes |
font_01_sfnt_off0001160c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1160C | 16792 bytes |
font_02_sfnt_off00012e23.binbe7bd881d96e756db85223946196e55c015ba4cc8107cda4d8e1dd25a4c53129 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E23 | 10736 bytes |
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