MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF identified by ClamAV as Pdf.Phishing.Trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are hosted on disposable domains, suggesting a phishing or malicious redirection scheme. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://ikansambel.com/contents/files/fijubedamewetirosukilug.pdf In PDF document text
- http://hnyinfeng.com/d/files/surubowusamidi.pdfIn PDF document text
- https://www.autopsrus.com/ckfinder/userfiles/files/natugu.pdfIn PDF document text
- https://yourownadviser.com/ckfinder/userfiles/files/54510275521.pdfIn PDF document text
- https://tutorsbureau.net/userfiles/file/46267102059.pdfIn PDF document text
- http://radyoislam.com/resimler/files/4373602914.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615274e686366---juvuwawilekiwov.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/21391838721.pdfIn PDF document text
- http://tinhdauvietnam.vn/upload/files/24676839122.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/xafezotefawilig.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20211023035045.pdfIn PDF document text
- http://thumuavechai.com/vietkiendo/upload/file/zebusimovisaxari.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/f22e851587c1ab3b9539c12c73bd8d5a/34782825869.pdfIn PDF document text
- http://gorod-r.com/userfiles/file/xiliweritibatogufag.pdfIn PDF document text
- https://oilbasaro.com/web/images/ckfinder/files/20211010225548.pdfIn PDF document text
- http://gomsuhoangminh.com/app/webroot/uploads/files/jugazofatak.pdfIn PDF document text
- http://kccmaul.com/files/files/xabevuv.pdfIn PDF document text
- http://kiapelhrimov.cz/UserFiles/File/76799554546.pdfIn PDF document text
- http://regmac.net/userfiles/files/vavosor.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/12202107562.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16170f2600db6e---pavoturuvivoxedi.pdfIn PDF document text
- http://insuralead.com/userfiles/file/34036841679.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/5bhJmFgkeCE/uplcv?utm_term=bold+font+copy+and+pastePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BC | 15520 bytes |
SHA-256: ab3546d6217658d43fe7801699cb1304baa7b40ce4226dd1ebef686e0fdece32 |
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font_01_sfnt_off0000da71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f288.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF288 | 10588 bytes |
SHA-256: a781393a59d5775c7586e013bee459a4301f7ca66a60b802406d7ba1323345cd |
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