MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm pointing to numerous compromised websites and disposable hosting, suggesting an attempt to distribute malicious content or phish users. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a sophisticated effort to obscure the true destination of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 8
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://muacash.com/webroot/img/files/porejebamubewifog.pdf In PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/5j92ppp7kq7i3puegf3r1u57gs/dunofizususejuwot.pdfIn PDF document text
- http://scoutpate.com/userfiles/file/22586458248.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/7m9tgu6cfj888ndp8ddc7hcfgq/jibenegu.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/87799859079.pdfIn PDF document text
- https://vresponse.net/userfiles/file/23624753743.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/37842872323.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dfe222af519e08ee5a07b087f902da7f/16999371645.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/26109776845.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a678492c9---mudamupafanuxojumufazor.pdfIn PDF document text
- http://ride.hu/images/uploads/files/74688101984.pdfIn PDF document text
- http://romangruszecki.com/uploaded/file/ruwiribagiworejewojuve.pdfIn PDF document text
- http://charontrade.hu/data/file/71536834813.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/10412255920.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/2bc43d4939eea4b4434006221aa5761b/79730860878.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/un85r4oja8nrlmo19rhlfoa2p2/weniz.pdfIn PDF document text
- http://zwickerfoto.hu/_user/file/69969019749.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/jpk2iqo5kk6b7upm6kfep7abh3/4370345540.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1610a6323b09f3---24427370862.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/c8bc5b52a0d92db668102ad500dfd211/66492165244.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/bevogosibiwativigoka.pdfIn PDF document text
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/b669c3aaa80bf444f9ba1756ca2a7cb5/75239800097.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/95706815293.pdfIn PDF document text
- https://kawanmto.net/contents//files/vutafujurubesat.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/85420525021.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=bpsc.teletalk.com.bd+admit+card+download+seat+planPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF2D | 11112 bytes |
SHA-256: 95c16139e22c66bac6e5f338b98e77fd28035740e9edbff707896f3d172c7fc5 |
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font_01_sfnt_off000108f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108F6 | 17244 bytes |
SHA-256: 505cc020a2a6829fb9220ee8d2d209e732e5e46eaebac5c57bec524dbdad2b8c |
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font_02_sfnt_off000135a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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