MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URIs and link farms pointing to various domains, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links indicate it is likely part of a spearphishing attachment attack, aiming to redirect users to compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://oniceh.ru/uplcv?utm_term=fish+fingers+which+fish
- http://curvesncontours.com/userfiles/file/91578750702.pdf
- https://grouptm2.com/contents//files/31902019338.pdf
- http://interface-referencement.com/userfiles/file/zujelusinekejikeru.pdf
- http://matonaklawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fosafedupivedikatuku.pdf
- https://schlosshotel-murten.ch/userfiles/files/92256135995.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1aef469997---safedonotorejawa.pdf
- https://t2sc.me/userfiles/94380660693.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/4247da64ca75820add19f89eaff75d96/zafaginafapirowisetiti.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/d1a6445a6318ee87c1a0f0e68a4b6464/51788755884.pdf
- https://elektrona.cz/files/file/39813735802.pdf
- http://1carl.com/userfiles/file/41319720482.pdf
- https://anandamsanyal.com/userfiles/file/5878179563.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/5f555e1a6c91c90dfdb8376d05d8b31e/17969634530.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ed3f278f5---25992028603.pdf
- http://lexprikson.com/admin/style/images/userfiles/file/zibaz.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a1045c55e---81009968410.pdf
- http://quincy.pl/ckfinder/userfiles/files/zukejed.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/331f6ff83ff09e2d30bcc4f21d4a58f6/zowevemunenatagogekifolun.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb4443a17d---kurewetaxumezujaji.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/lofaja.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/95e434aae5546bd45ab4614332ec8bdf/29412390918.pdf
- http://dtmaso.com/public_html/Imagens/file/48700130475.pdf
- https://oncallanatomist.org/ckfinder/userfiles/files/likojatufovejuzupejo.pdf
- http://bestbuyfromindia.com/userfiles/file/63454041083.pdf
- https://mfdesign.hu/files/file/buxaroxamo.pdf
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nurosimuzumo.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_off0000c9cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CB | 16792 bytes |
font_01_sfnt_off0000e1dd.bine9309c4858a7120b5306aaa381dc09325d48a5d0f049160220042fa0e65c02f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1DD | 17000 bytes |
font_02_sfnt_off00010de6.bin65d627d0d265bf13f22e550b2dc9f8a8144830e678ba4d8753e081cb14dfce4e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE6 | 10252 bytes |
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