MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of 'utm_term' parameters suggests a phishing or malicious advertising campaign. ClamAV and ML classifiers also flagged this PDF as malicious, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://synerhu.ru/uplcv?utm_term=minecraft+bed+hacks PDF link annotation
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/711a14a82ef7a5bbc170b73b35c919eb/vuwibomiterikijisafumedet.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/82726883108.pdfIn PDF document text
- http://teknis.it/userfiles/files/50691828505.pdfIn PDF document text
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab48b6b809---mofafabopetefareve.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/zolom.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/40868824968.pdfIn PDF document text
- https://music-group-store.com/upload/files/39290644402.pdfIn PDF document text
- https://jordanadams.com/ckfinder/userfiles/files/26723660726.pdfIn PDF document text
- http://sowa-architekci.pl/userfiles/files/85183206551.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/tuzem.pdfIn PDF document text
- http://hoclaixebinhthuan.com/upload/contentFile/file/xatalodomibavipekinevo.pdfIn PDF document text
- http://fillaracingacademy.cz/ckfinder/userfiles/files/zipuwo.pdfIn PDF document text
- http://asesoriazabalburu.org/azaba/files/file/wivobajumalujo.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613614dab18cb---199753019.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/xudovizoj.pdfIn PDF document text
- http://aybar-gallery.com/userfiles/files/xasazeluvomivizugebuwudob.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/29737225029.pdfIn PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/jasaxuzeb.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/89273475500.pdfIn PDF document text
- http://newshop.jp/archive/file/47480568342.pdfIn PDF document text
- https://epiphanych.com/images/file/51772991617.pdfIn PDF document text
- http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/74488824526.pdfIn PDF document text
- http://kool-house.com/upload/editor/file/58706124368.pdfIn PDF document text
- 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_off0000d659.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD659 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ee6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE6B | 17464 bytes |
SHA-256: 10479def7166f4339b830c1b4f693c03282ee6bdd3a217c1f2f7976628f2c87a |
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font_02_sfnt_off00011b56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B56 | 10632 bytes |
SHA-256: 3a860899147f9085a0c507f25318be4b9dfda8be9af7530b4d2f5aa96d795b01 |
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