PDF malware analysis — malicious · 476d715545d3bcb1

MALICIOUS

PDF

52.6 KB Created: 2021-04-29 10:50:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9eed02ca7e86b41915152fa08c141f5f SHA-1: 33b8b4743ef269c810f13b45b5968ea866f8b38c SHA-256: 476d715545d3bcb1114ee957173b171f99213c2290c0b63513684cbb65b1b690

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its small size and image-heavy content, designed to trick users into clicking embedded links. The heuristic 'PDF_IMAGE_LURE' and the presence of multiple external URIs, including one on 'fokemale.ru', strongly suggest a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9267

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 52 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://fokemale.ru/strik?utm_term=why+is+orion%2527s+belt+special
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- http://fragcups.com/nakopegaq36rk.pdf
- http://centerverifybadge.com/manual_network_selection_iphone_5s_ios_11yvciv.pdf
- https://cdn.sqhk.co/difigobon/d7jpTij/87689681449.pdf
- https://cdn.sqhk.co/kivipemo/CBzRJjj/4831920716.pdf
- https://cdn.sqhk.co/subesanodag/eggDhcU/sekotebonurimuze.pdf
- http://e-sparks.ru/midaxejizaziluz75qjr.pdf
- https://cdn.sqhk.co/nufomewo/gcoghie/super_adventure_island_snes_cheats.pdf
- https://wobapuzufisuro.weebly.com/uploads/1/3/4/0/134042344/e4e13d5db.pdf
- http://about-central.com/75313527200lulb7.pdf
- http://titoto.xyz/65720696068j5rxg.pdf
- https://cdn.sqhk.co/pelemobi/ibNmFQY/dinifalobatixagewulox.pdf
- http://vidodusiv.epizy.com/administration_manager_duties_and_responsibilities.pdf
- https://b0b8c8c5-0de0-49ea-8337-0a56b8a4e65f.filesusr.com/ugd/bf9dfc_d7e74090788b44889b81a891e3835518.pdf?index=true
- http://mefuxunopurojim.rf.gd/quarterly_calendar_template_2019_excel.pdf
- http://nuxibuzejapise.epizy.com/85671767041.pdf
- http://mutezojujamanu.rf.gd/peavey_vypyr_vip_1_manual.pdf
- https://uploads.strikinglycdn.com/files/68d85cb1-9d95-40cc-baa5-8668735cf26a/menanalosopodabif.pdf
- https://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_1f2c3fdf0d2d4da38726a36c00ab781a.pdf?index=true
- http://wufofot.rf.gd/18172712436.pdf
- https://uploads.strikinglycdn.com/files/e7f07f8b-c0da-4934-aeac-97dea721fecd/pokotoreworevoserulivu.pdf
- https://11ab4cf5-156d-4417-99e9-5039b2a7eb5f.filesusr.com/ugd/82d61e_0d69cea0b20549baa5d664e61eef6502.pdf?index=true

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