MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting it's part of a link farm designed to distribute further malware. The presence of PDF_RANDOM_URL_LINK and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics confirms the malicious nature of these links, which likely lead to the download of additional malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://bangprice.combangprice.com/beta/cms_image/file/97297374747.pdf
- http://movesearchesuk.com/userfiles/file/99914461511.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0259924f7a---wotupu.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/g5s8at6sl6ei6b0p7hp20r9vu0/zixesurepewujuk.pdf
- https://elsa-daulte.com/ckfinder/userfiles/files/63724370337.pdf
- http://theeultimatenetworker.com/ckfinder/userfiles/files/bozijojeloluzerobumem.pdf
- http://centrostudiapulia.it/files/files/72415531914.pdf
- https://mokshadhamnepal.org/userfiles/files/jovipagixitemuxu.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844d5ce08a4---56391812011.pdf
- http://jingyitech.com/uploadfile/2183212604.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/9d05b79d10f641e8a273c7d359ccc4c7/dugibumovaselelixuxipun.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbd3c94b3b---36530519829.pdf
- https://componentcnc.hu/uploads/ckfinder/userfiles/files/71608861197.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/410c16dbb668c2831292a791189b759c/vagiwopo.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611b870d08969---6057151631.pdf
- http://dgjst.com/upfile/file/xifufasaliw.pdf
- http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/rugomo.pdf
- http://tropo-design.com/ckfinder/userfiles/files/10114752695.pdf
- http://zpb-maciejewski.pl/upload/fck/file/60663783002.pdf
- http://eko-inwest.eu/upload/file/jotekedivivibuma.pdf
- http://analogsys.com/uploaded/file/1156159528608abb4168fd2.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=how+is+a+mixture+different+from+a+pure+substance
- 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_off0000ca50.binc51b761b42e367042f9d7af65a34e89413f329bba8ae4f8b84423d26fb4ae6a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA50 | 16948 bytes |
font_01_sfnt_off0000f53f.bin3136eb2c7ab83e357130c932917299c67dfe39b24561b96301a7f76bbf2dc8dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53F | 11156 bytes |
font_02_sfnt_off00010f28.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F28 | 16792 bytes |
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