MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links pointing to compromised websites, indicating a link farm designed to redirect users. The PDF structure and the presence of external URIs suggest an attempt to exploit vulnerabilities or trick users into visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abfbf287a5---jojebabulaxofijiw.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609090ce1528d---66002712790.pdf
- https://esvigo.com/upload/files/79224168782.pdf
- http://hit-air.pro/ckfinder/userfiles/files/84583710622.pdf
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/98870056393.pdf
- https://rh4-h1tapi-turbo.com/contents//files/43809534114.pdf
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/riboz.pdf
- http://fqcycpa.com/jingkelun/userfiles/files/20210616002053.pdf
- https://pieseautocomenzi.ro/userfiles/file/67158887120.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/bcf1d916505292bdc4c52fdd0448730b/42434346537.pdf
- https://sportnazona.bg/f/uploads/files/48928629978.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/c5d727eb718d0f4ac075c1e970a6978e/91793724933.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/t19armteie57mo0e2p6chog4m2/34581059482.pdf
- http://108homed.com/userfiles/files/11709202408.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/74jil8l2eauqo0146n5laf67sj/95063810349.pdf
- http://creativeindustries.ru/uploads/userfiles/file/zuzeroxi.pdf
- http://bluelakehomestay.com/uploads/image/files/22070618909.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/aee59df8f26c730d616ac514759096d8/sivikorixixupixabi.pdf
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/jnm02j44mgoiiaa8v34b36ovuj/84152812579.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1f3db271d5ff85d728284ad6478b1567/52589130939.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160afa3210a7f1---851352427.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/0999516dd09a1a1be01a34ee3ab3d53a/23283767544.pdf
- https://cottonweb.net/userfiles/file/77129020361.pdf
- http://suseefinance.com/userfiles/file/zanaxilexesozoj.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/ed8bd354902b6d787dbf8de8d8ac5e69/nuwalajofobipenejaxabix.pdf
- https://strechybenesov.cz/content/vasuvesoduritit.pdf
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/aaor29ecjujvgvg6lh2nnao3g0/jesifozonijafamufubiwure.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=city+of+heroes+warshade+guide
- 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_off0000fd56.binffb0d358bbdc846c1615c1b8c746bce80f5be64c2153be710f93691c7f2e041e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD56 | 19232 bytes |
font_01_sfnt_off00012e81.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E81 | 16792 bytes |
font_02_sfnt_off00014698.binaa699b015fa19b71b1fc5d9161d2944ff6d146cb5c3b4f14b23c51545833354b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14698 | 10812 bytes |
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