MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm used for phishing or distributing further malware. The presence of external URIs and link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://nomylo.ru/uplcv?utm_term=annals+of+yoga+and+physical+therapy
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2b6b90696---lefanisuvomitugajoti.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a46913b528e---43337063035.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ade3f6b956e---wewimin.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/66610fe557ebf0de08dd610c2af33429/tuleduvajebi.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b182907402b---wepube.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/bab2a70bd461d377b58ab0c0c92bd0a6/60715796185.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/kf1iqcb9lbb6b9oqt04gsj23q5/63363007055.pdf
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/1976c7189715b4ffc43827559615fb4a/95171625952.pdf
- http://automozg.by/upload/editor/files/53392383045.pdf
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/qb1vpedn77c49d4b02so6rj2hq/nidejibidix.pdf
- https://pjkconstruction.ca/images/file/gopixivovirulugu.pdf
- https://tavio.ru/files/file/9760819637.pdf
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/vjuveo3964k0hlbdtv3cvh60u5/1768651955.pdf
- http://baigeleather.com/userfiles/file/lukanigaxamola.pdf
- http://amon-syotengai.com/userfiles/file/23412584144.pdf
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb13758a0c---leladibul.pdf
- https://manuscripthandler.com/userfiles/file/85077056934.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/qerda6romep1bd4rt12flf8uk5/17577143970.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c952a3c0a0aad9e6a6f906e4032253b7/kixogokimodoxidoxapulozu.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/cafdc30f8f03bc6158c26b0a6e371d3f/dixegexekefodapuzikomo.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/14de13b5300719c3514fb4bb663b076e/61623898332.pdf
- https://kodcomputers.ro/2664/uploads/85512762677.pdf
- http://doellefjelde-mussemarked.dk/images/newsmail/file/93402019055.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_off0000eac9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC9 | 16792 bytes |
font_01_sfnt_off000102e0.binfb51d21f9d2ab760da74ec66601633249ed06a549bf4a54f0b2cb5045ce10f0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E0 | 10992 bytes |
font_02_sfnt_off00011c35.bin4442ea2a3976f06e9383ad06f90cfdd72e3f49a24320c18a0f496db277a2ffd1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C35 | 17048 bytes |
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