MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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 https://aiaciran.org/cache/fck_files/file/murumatej.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/442e82705d1b33edde04d08ecab4309c/nusegufotesi.pdf
- http://goldway.jp/upload/board/file/31025210823.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/d6n6fob3upu38jrb0cbenmfap3/fukaso.pdf
- https://vegas-shop.net/uploads/files/96672247601.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/258b884b86dc4449fdd77e1d54152c26/88331323698.pdf
- https://akamercedes.com/images/uploads/files/gapidisexexudosa.pdf
- https://jodhpurtravels.com/nbloom/fckuploads/file/xapugi.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/8ceb9b09628fffe3c7ab192cd6129dc6/26244023479.pdf
- http://cbgnfinance.com/userfiles/file/jojizafesavivevikavuka.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a89a352d4---doropowewebuxemajutufid.pdf
- http://ketoanaca.com/uploads/image/files/22929432439.pdf
- http://jmdfhjl.com/fckeditor/userimages/file/68787737038.pdf
- https://sitpchemcieszyn.pl/_sitpchem/file/sifazulijurowuzaneloberu.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/d17a7852b854fe229249d7fac07afc15/sowazuropan.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d93f1d1525---kikosazovakekafejubazil.pdf
- http://labonguyenhoang.com/img-chamthi/files/11442594224.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/e721e8116710815753b8e233c47b16f9/59042198829.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160feb31ac5391---48785757093.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa62f58ce38---85261578630.pdf
- http://sity-luxe.ru/userfiles/file/96123548103.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/4196d49cfcc06768ec8b96ae7ee394af/44021415885.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076e9ffaa61e---83817130758.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=what+is+ct+angiogram+of+the+heart
- 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_off0001088e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1088E | 16792 bytes |
font_01_sfnt_off000120a5.bin884658ac365244e44bca66cf88df8b6f0388fbdb5be59642722dfa3901cf4b9b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 10732 bytes |
font_02_sfnt_off00013933.bin7ebe9978226fe61f00ee1cdf157813922a59f5c81c3d7f5419acb069bca0c698 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13933 | 16624 bytes |
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