MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links pointing to compromised websites, indicating it functions as a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple distinct hosts and the use of 'utm_term' parameters in some URLs suggest an attempt to obscure the malicious nature and potentially track user engagement.
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://studiotecniconuti.it/userfiles/files/14869813146.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/9bbde2e382b7892c1d9f925391608cc6/xatenepeminemaxomiw.pdf
- http://mu-rrrc.com/userfiles/file/baroduvalu.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/e44f7522d7e0f8006947a438250d2cfd/xasamimerevujozenev.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160acd928d454d---bitojenufigubirononawaf.pdf
- https://anfauglir.com/images/file/sezinolimizujogajesabo.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/768fd728bcf60bfa6799842cc5dde6a4/fuxuludaxat.pdf
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/mqm11aeb39c53494aol1kb4que/xuduko.pdf
- https://champion-osk.pl/userfiles/file/jorugofipin.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b47e914806---99836380994.pdf
- http://ccspevents.com/clients/24998/File/80685811438.pdf
- https://speakingparrot.com/upload/ckfinder/files/47206906349.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/4ljng3k5b5jbd229205f1tnuv1/lisevowibekeko.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/0c4ef3dea287b7db4c59299497c8c8cc/63153818985.pdf
- https://alianzatours.com/imagenes/file/11805388111.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc83b5d6f0---mizorunisuru.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/q34lte8p81euhikv14r1ijer84/32323975321.pdf
- https://mdteam.se/ckfinder/userfiles/files/savexiv.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f352f011---25083240169.pdf
- https://vandolderskb.com/images/usr/bojusotosixegawerenidexe.pdf
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bf70e21c094---84462479410.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608083467bee8---nanoxekejabevevexakoma.pdf
- http://augustaelectricalwork.com/editorData/file/fefijarese.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=firing+range+safety+rules
- 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_off0000fe7c.bin31b86b78c31934e6c8c8fd8436f3960c24ded96ccfca30177a9a81c1b437f2ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7C | 17140 bytes |
font_01_sfnt_off00012a9e.bind988981f1aa16a0b9b47364e7d41d9157ac42d78b2256669769083b9a3eec0a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A9E | 10460 bytes |
font_02_sfnt_off0001427d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1427D | 16792 bytes |
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