MALICIOUS
126
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 embedded URLs, many of which point to suspicious domains and appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic used for phishing or distributing further malware. No scripts were extracted, but the primary attack pattern involves redirecting users through a series of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://esterkins.de/ckfinder/userfiles/files/44796653599.pdf In PDF document text
- http://harekatmemuru.com/images/Media/files/vebazoseverixal.pdfIn PDF document text
- https://baglab.pl/galeria/file/16417637481.pdfIn PDF document text
- https://riwg.in/userfiles/file/53043115465.pdfIn PDF document text
- http://ridendo.cz/files/file/98531272717.pdfIn PDF document text
- http://luatsugiadinhviet.com/upload/ck/files/refawuvezol.pdfIn PDF document text
- http://baozhaopharma.com/upload/files/gorutobol.pdfIn PDF document text
- https://commonwealthsportsawards.com/userfiles/file/93411764822.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/xedejelekikefor.pdfIn PDF document text
- http://agedwedfjtj.pretty-match.com/upload/files/tunewo.pdfIn PDF document text
- http://bangkokmagnetwire.com/ecodev_test/image_system/files/99870951330.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/lofuw.pdfIn PDF document text
- https://igruppe.no/ckfinder/userfiles/files/18198173493.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/51079005020.pdfIn PDF document text
- https://hagabb.ro/ckfinder/userfiles/files/36214490489.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/kaxanaligufufiwew.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/gidofixajilur.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109130419381923.pdfIn PDF document text
- http://naosgym.com/userfiles/files/14762634778.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/paduzemofewupudotur.pdfIn PDF document text
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/8f7c38aceb745925b3bb12a7eb12d0ae/80027832846.pdfIn PDF document text
- https://obrbikes.com/files/files/50296711683.pdfIn PDF document text
- http://archi-m.ru/userfiles/file/52129852038.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=closest+taxi+near+mePDF 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_off0000b079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB079 | 15412 bytes |
SHA-256: 32152b90ffc5288d8879736a033abd89648ba9d6a102d3e924f38dcbfc577060 |
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font_01_sfnt_off0000d7a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7A2 | 10404 bytes |
SHA-256: b656c45d0dd900495e10f2002c99887f59fcfabdee73b12e9d2db48110b3383c |
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font_02_sfnt_off0000ef37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF37 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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