MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. While no scripts were directly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7347104a1d700aabf4a2691b3ffbdeba/vujazepawedebonuf.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a615a6656e4---xonekobofidokibu.pdf
- http://thankschicken.com/uploads/files/92194759287.pdf
- http://camonetinternational.com/files/file/6527725587.pdf
- https://clubesolbra.com/uploads/files/zudetukimuvexexuwosaka.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7a147620e---lesogelujogibelopagakut.pdf
- http://www.truca-taoules.com//ckfinder/userfiles/files/70862364635.pdf
- http://the-bom.kr/upfile/files/82529144777.pdf
- http://xahscw.com/userfiles/file/70155866773.pdf
- https://datajournonepal.org/files/28960171218.pdf
- http://stlukesmn.org/clients/17773/File/tonusefudedufuwubemabo.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b752eeed337---61137047008.pdf
- http://amphorabeautyclub.com/campannas/file/10903157624.pdf
- http://gruppocinofilomarsalese.com/userfiles/files/89488855538.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160794c5a12e4e---novosiborif.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160afe2aaa23a2---gosafamomamugevasa.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/bixozawelakodof.pdf
- http://spc1991.com/ckfinder/userfiles/files/84204792107.pdf
- http://deurenhanger.nl/userfiles/file/56507740909.pdf
- http://n-production.com/upload/fckeditor/file/85116766402.pdf
- https://amd-export.com/site/upload/file/2848009369.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc23005ac5---xajonowula.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/14740942026f96825846c8b58dad1e09/52484454495.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=convert+500+mm+to+cm
- 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_off0000de82.bin386ee550310b4c004dbfd22ef0418c310b3f19d5cb81f137cb34da69aa9afd64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE82 | 10276 bytes |
font_01_sfnt_off0000f5b5.bin6e272409bef2b804b1b8290b67e4579f51277a12cc15c0cc7d151bd413d16a6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B5 | 18176 bytes |
font_02_sfnt_off000124a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124A0 | 16792 bytes |
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