MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055 Process Injection
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The file's structure and URL patterns are consistent with a spearphishing attachment used to lure victims to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 http://flixgolf.com/ckeditor/ckfinder/userfiles/files/9492421794.pdf
- https://srsatta.com/ckfinder/userfiles/files/jipimiximapefef.pdf
- http://starcity-vinhomes.vn/app/webroot/img/files/65414353946.pdf
- http://xn--c1aejbdnke.xn--p1ai/admin/ckfinder/userfiles/files/buvifaj.pdf
- http://fli.edu.mn/ckfinder/userfiles/files/64405333661.pdf
- https://groupekheidri.com/ckfinder/userfiles/files/12044572708.pdf
- http://i-tos.com/userData/board/file/kixibo.pdf
- http://artvideo74.ru/upfiles/files/gakaxo.pdf
- http://tnslib.net/userfiles/files/54318374580.pdf
- http://automyjka.pl/automyjka.pl/userfiles/file/48054738100.pdf
- https://somos.co/dleyes/admin/fotos/file/87127709243.pdf
- http://bkmarine.net/ckfinder/userfiles/files/1631474329.pdf
- http://vamaconsulting.sk/userfiles/file/67025864340.pdf
- http://braciszewska-klimek.pl/fck_files/file/99953609311.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/0dc9ad5b8b56aa44214345f1cc0453d7/32951985319.pdf
- https://oddluzanie.net/userfiles/file/59129465125.pdf
- http://f-kcc.jp/user_data/userfiles/files/badoxuleb.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16141fd0b5cea3---tanifugezonekumasudedo.pdf
- http://thingsantiquesla.com/userfiles/files/14031359912.pdf
- https://veaodaibrahma.com/uploads/image/files/1919682785.pdf
- http://jsdarvin.com/files/xomezabup.pdf
- http://daugiavanthienphuoc.com/media/ftp/file/44282810764.pdf
- http://mweb.cz/images/file/sazovotinefuwum.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/8uhb4l9v5uuo2eubrm8gju8mg6/rarodawonemefuregaxex.pdf
- http://pietrek.com/MARCUS/files/file/reretujov.pdf
- https://china-glass-mosaic.vegner.com/userfiles/files/20210909_064905.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=real+minecraft+apk
- 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_off0000d72f.binf5416992cd1cadc816062c64edaa4976ea94535f8c4d70201ccdb36b6dd17b6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72F | 17192 bytes |
font_01_sfnt_off000103b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B1 | 16792 bytes |
font_02_sfnt_off00011bc8.bin5bd48fdcabbc4dc6ad1ddf9c28c1c451e1a2ec778d487c27675e9f189e051899 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC8 | 10488 bytes |
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