MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. The document contains numerous links to compromised WordPress sites and disposable hosting, likely serving as a lure for users to download further malicious content. The presence of a 'download button' heuristic further supports the phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=closed+first+syllable
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/198gft012bkki11e900qlak539/62966160315.pdf
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/20603759233.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/3ef8b2daaa2b87a12c3843f3ae53bf10/82857505812.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b7807c472---98398497608.pdf
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/db0a1c48040ab44c7246af398120981d/befomux.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ssorhf5l27pdbhvmguq0pa50jd/45111979453.pdf
- http://showplus.ae/userfiles/files/64563697619.pdf
- http://rocb-ap.org/file_media/file_image/file/33889858099.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb9ae4324a---ridorawebunege.pdf
- http://119hero.kr/userData/board/file/wivat.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076c38c57d47---gudodularamuvimab.pdf
- https://larustt.com/upload/ckfinder/files/pubinunizonisanuf.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/2ac21a0fcdb1bf131cae775e3f1c1f63/rufukodebor.pdf
- https://myvideoclasses.com/ci/userfiles/files/9796710029.pdf
- http://szakkepzosiklos.hu/upload/file/14989504126.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/7de4d36cb598134ef1a926e73fbff838/botizidulagixekuxudow.pdf
- http://aeronautike.com/userfiles/file/dusifetipolonimekusomu.pdf
- https://sieuthigo.vn/upload/ck/files/mugokipovanedenakopofe.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/ce109618a4cbaed4091747adfd9f72a3/xapomigomi.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/160acfbbccf042---vozajuxef.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2bf82c51c---99669277937.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8b9bbe18b---14675941188.pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708bb5478d1---1361588016.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_off0000ed6a.binecaa3b55b8bf0be1a0287935408ff5890bb5dd87944b6fce66eafd579e300e06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED6A | 17388 bytes |
font_01_sfnt_off00011a36.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A36 | 16792 bytes |
font_02_sfnt_off0001324d.binf2d20be6e1c70a817beb346c84833d116f8dbb56dae7716741effb4b5ba46512 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1324D | 10528 bytes |
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