MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple potentially compromised websites hosted on disposable domains. The embedded URLs suggest an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd582935b5---83608301950.pdf
- http://ctyrkolky-gamax.cz/data/dokumenty/lasekisi.pdf
- http://clarkstownhs64.com/clients/2/25/255c49a504cbad61718694d8b78dfcdd/File/86456470717.pdf
- http://progfin.pl/userfiles/file/16010513747.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/elig85m77agagf446bdbbfteaj/21561763185.pdf
- https://emauto.lv/index/images/up/file/gazekuvex.pdf
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f236207a5---58518155574.pdf
- http://jr-bang.com/uploadfiles/20210617041322.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160754f1653871---25426219617.pdf
- https://cottingham-group.com/cufiles/files/bupezeraluta.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/c845d5561f0c08d0d7d01bb576ecf3f8/polug.pdf
- http://foodchemsino.com/d/files/dufabokadamelenenamowev.pdf
- http://ggmtc.net/userfiles/files/58540968266.pdf
- http://bertoniamministrazione.it/bertoni/public/file/80861970595.pdf
- http://suankaew.net/upload/userfile/files/65876128219.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/15f31ede08e6f8360fa5764906a04dff/joxaxizazitefikirokufapiz.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/9s4ef2afo370n9i8ocp5c81667/nawegefexotone.pdf
- http://caopump.com/admin/userfiles/file/jojiti.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/15534030e0f7a36b22b2636f95ccf08f/6652975291.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088eafdc2bca---xupomujox.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3fcd371a2d---bikagefawex.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/709919ab43cfbfa9ea24045dac5552fb/kukiruponaxowofufoki.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/6ff3e5a2600bbd60bf5ff45745f20c60/81684840609.pdf
- https://denizlihorozu.com/resimler/files/83840354930.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=nelson+science+9+textbook+answers
- 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_off0000bf7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF7E | 16792 bytes |
font_01_sfnt_off0000d795.bind50fec3177bf6fc76625d79133b5b58e83998e3ef18e05412da30f84f633cb75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD795 | 10788 bytes |
font_02_sfnt_off0000f0b1.bin1a007c6087500d4971c69d143e4d37c74dd9c210d4a698b8ca6c6b123aa8463f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B1 | 17404 bytes |
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