MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS upload directories and disposable hosting. The embedded URLs suggest an attempt to direct users to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://aspaeng.com/files/image/files/wegiw.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160850f4ab93d5---40176496884.pdf
- http://starlightcelebrates.ca/clients/4/43/43e9139217482d7666ce300faf566241/File/45356201830.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/8kib6sabl6g332ta3p8d9540rh/24360530083.pdf
- http://alexdisinfestazioni.com/userfiles/files/sawofugikepetotexofezene.pdf
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a3031234246---xogedabiwejis.pdf
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/a8bd3e8d5b8b203596abb79140bc1f3d/28877673346.pdf
- https://jamurgoreng.net/contents//files/sevagakuwopemawewabiruf.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/0fjbv8fvgobj6f7n0as7g8t3uc/71848769383.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/66a7f8dc59f934eed14b56ca4e4e0f18/lutara.pdf
- http://4bx.pl/public/file/90639788148.pdf
- http://stjconsulting.it/userfiles/files/galugitanawobemuwokevowa.pdf
- https://oteaexpert.fr/cite_imgs/file/46355207497.pdf
- http://eko-inwest.eu/upload/file/jexujukamofaxefot.pdf
- https://mmszke.hu/files/file/gupadesipabede.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b0b7d6236---76988604897.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160a1979a7390b---bugigevatikuforu.pdf
- http://dragonera.cn/admin/userfiles/file/57761235453.pdf
- http://promocode.lu/userfiles/files/kexemunufazobimigiz.pdf
- http://dblbtech.com/userfiles/file/lipavekujalumot.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/8fb23e442e6d91842713f489f24346b3/36105803124.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/vg1gj93ab0qv7ooqejurufkkr5/diliwifovobuze.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8386f9a79e---95324427153.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b134a94ce---vonewevasopelipusipezo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=engineering+paper+goodnotes
- 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_off0000e991.bin1bc498232a5ff213011c21d384cbeb006e0c239720b5c739947e1b1b57a1c22a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE991 | 17304 bytes |
font_01_sfnt_off000116ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AD | 16792 bytes |
font_02_sfnt_off00012ec4.bina49bf3df5aff180f130f58606f5602aee1af3d553d6d29a008259f19d9445c9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EC4 | 10504 bytes |
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