MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and a high-confidence ML classifier. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. While no scripts were explicitly extracted, the PDF structure and link farm indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://sindhuinvestment.com/ckfinder/userfiles/files/84833981337.pdf
- http://jinanxintiandi.com/userfiles/files/35431281665.pdf
- http://baobianhkhang.com/upload/files/tajotigokudikavuloror.pdf
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139191402895---73427585892.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cba2360c66---90304094257.pdf
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/68180680539.pdf
- http://americansemitruckparts.com/d/files/nalajade.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9117e798b5098e48dd898637d9a48d67/zuduxeti.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/61d4a691bb4c45544b6a74cb21075e0c/31420888767.pdf
- http://halongwave.com/userfiles/file/dopejevixugiwefexurufixu.pdf
- http://sushiosushi.com/uploads/files/libuwixew.pdf
- http://ldkxzzs.com/images/userfiles/file/48426823669.pdf
- http://sugarfree-gelato.com/upload/file/lulojazudosodigasi.pdf
- https://tatsolarlight.com/uploads/files/lavumasu.pdf
- http://librojuridico.com/aym_images/files/85107339406.pdf
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4436298629.pdf
- http://ecohort.com/userfiles/files/63572995963.pdf
- http://bjqyms.com/filespath/files/20210916160817.pdf
- http://ediljolli.com/userfiles/files/xedegedunapaluwure.pdf
- http://nujhimachal.in/img/uploads/files/65729808048.pdf
- http://becucci.it/userfiles/files/totuposoputikatakakuv.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=mp4+to+mp3+converter+free+download+full+version
- 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_off0000d86e.bin4d2c9cd7112a5dad06f23706cd12dfc4187b158c100147efa36989c52ed8dd0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86E | 11276 bytes |
font_01_sfnt_off0000f307.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF307 | 16792 bytes |
font_02_sfnt_off00010b19.bin19ca9a4cb3b3f36e79ce8d672d91bce80e0f77bd6cd2dde398552100f8685c9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B19 | 17744 bytes |
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