MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The presence of 'utm_term' parameters suggests tracking or redirection, common in phishing campaigns. No scripts were extracted, but the overall structure and URL distribution indicate a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 5
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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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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://irlanc.ru/uplcv?utm_term=android+software+for+windows PDF link annotation
- http://zhizhencn.com/filespath/files/20210904041402.pdfIn PDF document text
- https://minhvuongthuphap.com/upload/ck/files/zibebizawo.pdfIn PDF document text
- http://timocomputer.cz/files/file/midikokuretovamawa.pdfIn PDF document text
- http://dienlanhhuubinh.com/upload/files/kugavetusudijodokosezuju.pdfIn PDF document text
- https://ubranni.com/uploader/files/14824850253.pdfIn PDF document text
- http://bischofs-scheune.de/userfiles/file/10595583239.pdfIn PDF document text
- http://robwalker.net/fckupload/file/texorobadus.pdfIn PDF document text
- http://caerulumpharma.com/upload/files/jikutimitiwiru.pdfIn PDF document text
- http://asfalon.com/__files/file/vevetozopuxetetaguj.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/66509216945.pdfIn PDF document text
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/40178860917.pdfIn PDF document text
- http://grandioso.asia/editor_upload_image/file/dipakenetulo.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/sumezadivajile.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9d664f300---70178938123.pdfIn PDF document text
- http://sindikat777.ru/ckeditor/ckfinder/core/connector/php/uploads/files/wataxigapaxut.pdfIn PDF document text
- http://yas-center.ru/userfiles/file/75402739578.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a961d025f9---39438876504.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/gimaxawojazofulovuto.pdfIn PDF document text
- http://princeworldwide.com/multimedia/userfiles/file/74940544950.pdfIn PDF document text
- https://thuhuonglacquer.com/uploads/news_file/25079655934.pdfIn PDF document text
- http://sisparts.pl/zdjecia/fck/file/83883531847.pdfIn PDF document text
- http://rubivina.com/Images_upload/files/1608639082.pdfIn PDF document text
- http://tencanpowder.com/d/files/55787190259.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/galapigunojazegu.pdfIn PDF document text
- http://www.oteliapelsin.ru/ckfinder/userfiles/files/80053486026.pdfIn PDF document text
- http://studiogalata.it/userfiles/files/24710725223.pdfIn PDF document text
- https://endeligmandag.no/e-brev/data/div/vesenibileriwukikubi.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_off0000d733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD733 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF45 | 16832 bytes |
SHA-256: b48cbaef2cf0aedf5eb567d4bbc3fb5a3bb6749cf790da8d219ac98eac7d441c |
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font_02_sfnt_off00011ae0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AE0 | 10368 bytes |
SHA-256: 2eda7bdbbe4d50eac7546d6640eb52e7df13534c9cd6064f49fda49fa1d6be08 |
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