MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised websites, suggesting it functions as a link farm designed to redirect users to potentially harmful content. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs further support the link farm and potential phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://mp-hd.de/data/aktualnosci_imgs/file/40349391291.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/157848606381abf476e22d7098976a4f/saleronolaju.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ac658a49e9b---79626029937.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/f80da3df3048f33a2ca057b9b521a01a/niguxunafegeforopoba.pdf
- http://promador.pl/userfiles/file/kokixaluzuja.pdf
- https://doanhnghiepvietnam.org/img_duhoc/files/serasareziguvo.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/c56770c29394a8fa5e94434eefee7742/bulujisobugufa.pdf
- http://tradeweb.es/userfiles/file/25937826687.pdf
- https://acronimocostanzo.com/userfiles/file/josopijolivefefipugudu.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d88e3b2f118---90540563423.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f29e374d8---bapol.pdf
- http://biancoacolori.it/userfiles/files/45929777557.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a15d42d91---38575465206.pdf
- http://zigzagontwerp.nl/sites/default/files/file/duziwetusukexegadelufiw.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1bff1a8423---33209477423.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/pahki1iuuh71htt9tb9426jcrr/28621204288.pdf
- https://aradovan.com/userfiles/file/tuwepukerekipinosajokuzi.pdf
- http://dyglas.com/userData/board/file/38772215572.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c027c15a134---pivexorixetel.pdf
- http://ecogestval.com/userfiles/file/91101923913.pdf
- https://augsburger-dartliga.de/uploads/file/nexikoraname.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/o092k7u7t2o9rd5qmhd3shaddk/xedosudajiku.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=3ds+max+tools+and+uses+pdf
- 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_off0000e56a.bin18521f8045bb9e336869bc8872e0332bafabdb8c186e1ea8ca8737d6252c0e7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE56A | 17408 bytes |
font_01_sfnt_off000112fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112FA | 16792 bytes |
font_02_sfnt_off00012b11.bincebcd667f7caf38c7131387bfbd2c8b4ad5d29f162ad5eb83ff1efdd61179251 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B11 | 10744 bytes |
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