MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to compromised WordPress sites and utilize 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, by presenting a deceptive collection of links. No scripts were extracted, and the document body was unreadable, so the rationale is based on the URL heuristics and malware detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161402191100de---denugufu.pdf
- https://citytrafik.nu/images/file/juxefokapelitenarutefe.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/nl51ivbb542heiv8vlfmcuqfh6/sudoxosigoduneduva.pdf
- http://czdashan.cn/uploadfile/file/2021091109052973499.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/o2a6l45ejpbr0j6k7284e2slv4/vagufegegoboxelizufo.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9592681304c544b71160edeac27cc145/27070326845.pdf
- http://braciszewska-klimek.pl/fck_files/file/lemamezunozimanepos.pdf
- https://namphuctourist.com/userfiles/file/kemofutatojozu.pdf
- http://sumosushingrill.com/uploads/files/12479618330.pdf
- https://podiummagazinenews.com/ckfinder/userfiles/files/bawoju.pdf
- https://silverstonedevelopments.com/ckfinder/userfiles/files/65547045710.pdf
- http://www.pethouse.es/ckfinder/userfiles/files/51531725836.pdf
- http://veitali.com/upload/files/vorijugedexaxabulumoloku.pdf
- https://sfeerweter.nl/userfiles/files/25795719686.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/597379053f39c5a2815669d3f953d4c7/85962021803.pdf
- https://speedwayinfo.hu/uploads/file/sijizenamusi.pdf
- http://sanitaerprofi.ch/fckeditor/editor/images/file/mizikumomasuze.pdf
- https://bulendengin.com/upload/ckfinder/files/rijijebanogativix.pdf
- http://satyavnetworks.com/fck_upload_images/file/mavogimakixoruselir.pdf
- https://adtw1.elfjane.com/ckfinder/userfiles/files/wajedupino.pdf
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/42769385621.pdf
- http://hyswimpool.com/userfiles/58932244853.pdf
- https://avukatwebsitesi.kocgrafik.net/upload/files/48795996495.pdf
- http://ccshecea.org/upload/files/domujerosorodus.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=dragon+ball+z+shin+budokai+download+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_off0000cc4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC4C | 16792 bytes |
font_01_sfnt_off0000e45e.bin3e1776eb62ecc7adc9ea0c3d24b52b0cc9a8c2b5e272331fe6a68c9204e24e78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE45E | 17348 bytes |
font_02_sfnt_off0001119f.binadf693b54238d6892d904951503f97feedf81661d5663dcfb3d77255a0c3a493 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119F | 10920 bytes |
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