MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, several of which are hosted on compromised WordPress sites. The presence of many distinct hosts and the use of 'utm_term' parameters suggest an attempt to manipulate search engine rankings or distribute malicious content through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://dondepodemosir.com/userfiles/file/86561153702.pdf
- http://merwepizza.com/upload/file/ketotederowipebatuzuso.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160f27ff609c89---19016217353.pdf
- http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/10490642754.pdf
- http://cnhhgj.com/upfiles/userfiles/file/14982270849.pdf
- http://yuanjen.com/ckfinder/userfiles/files/wawanuzikolug.pdf
- http://www.electricman.in/demo/frontend/web/uploads/files/96336569998.pdf
- http://uro-medical.pl/zdjecia/fotki/file/wediremovizoxojeve.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/t8osqunkcbuv149ftbhiq1kbk1/94082039051.pdf
- http://emeraldcovepartners.com/_data/images/file/lolakegujopijuran.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c49a28c76f6---77776178962.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072814d61435---9629128284.pdf
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/mq6g1v5n9jl7non9auf828sfn7/vemaposuluwelaputitaje.pdf
- http://deurenhanger.nl/userfiles/file/wupewiso.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/aef3cac2ccd573f007025bfc509fef3c/zebevedozunedazumaji.pdf
- https://mayurherbal.com/userfiles/file/jumisipiz.pdf
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/c56190d9c46aaaf24cd053f08eb76859/95014545301.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/87479864138f0ea462a1a4ac829083b4/ratuk.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/96hlkala22nhouhetc2o8gfjfm/dojadarivuzabodipedazu.pdf
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/143e342da5eb8c9df3a48e1691d900e6/38245171919.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/l0dcb0h8m9p0v98lssre97i44r/vudesewevewunatuwivu.pdf
- https://samngaimarble.com/html_upload/file/jufabopixowinude.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=equivalent+capacitance+of+capacitors+in+series
- 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_off00010de1.bin332f4d20f1a4d18537836434509273405ed0c3ce3ecf82fb54f28868e076426d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE1 | 17132 bytes |
font_01_sfnt_off00013aab.bin3af7121a85015cecd81d242771ae2091fe5d3d0b8c22e63ef7d0b1769b338093 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAB | 10768 bytes |
font_02_sfnt_off00015399.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15399 | 16792 bytes |
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