PDF malware analysis — malicious · 72aec8a631d93537

MALICIOUS

PDF

40.1 KB Created: 2021-03-02 16:37:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-12

MD5: c875421c992b53c625898ba77b96d255 SHA-1: a62b6b70e7b636fa73ac8dfb9369b560e0e428fe SHA-256: 72aec8a631d93537b4658ab918929218f6017a6be8e620ad256a6a4537eabfe5

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-based lure, typical for phishing campaigns. It contains numerous external links, suggesting it's part of a link farm designed to distribute malicious content or redirect users to phishing sites. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

Nyx PDF Classifier malicious score 0.8075

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 40 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://kuzutuzo.ru/award?keyword=weber+genesis+1000+cast+iron+grates PDF link annotation
- http://ketaton.mywebcommunity.org/medidas_de_bloques_de_concreto_en_pulgadas.pdfIn PDF document text
- https://jirakeleda.weebly.com/uploads/1/3/5/9/135992973/98a9bdeecd.pdfIn PDF document text
- https://kobuzonoge.weebly.com/uploads/1/3/1/4/131452837/97673844ad8805.pdfIn PDF document text
- https://cdn.sqhk.co/lasanamemego/dgeqjpH/jovunuwefizowiwajedebideg.pdfIn PDF document text
- https://nozerazedigil.weebly.com/uploads/1/3/4/3/134309266/6434135.pdfIn PDF document text
- https://cdn.sqhk.co/fetumamuv/2tQn5gc/flippy_knife_rusty_cage.pdfIn PDF document text
- http://siankaanmexico.com/the_logic_of_english_prepositionsr7mks.pdfIn PDF document text
- https://cdn.sqhk.co/zugivakizo/axhaU6c/8838671749.pdfIn PDF document text
- https://cdn.sqhk.co/sedazozesufu/iIha2nf/tidadivolazomamasupowob.pdfIn PDF document text
- https://xorowime.weebly.com/uploads/1/3/5/3/135307705/nusen-gedutoxepa-mezejusi-xoviwogebik.pdfIn PDF document text
- http://vehicleinsusa.com/novobejakigovafabujurovidhz9u6.pdfIn PDF document text
- https://zevebijupaxize.weebly.com/uploads/1/3/4/7/134754497/kadapejofak.pdfIn PDF document text
- http://helpcopyright-service.com/t-_sql_tutorialp4vur.pdfIn PDF document text
- http://fakesux.epizy.com/leviraditidarovuzud.pdfIn PDF document text
- http://vevisadoko.epizy.com/latest_banjara_dj_songs_2018_free.pdfIn PDF document text
- http://fepoxojosatomu.epizy.com/18162182034.pdfIn PDF document text
- http://bazejufojowopor.epizy.com/97209765053.pdfIn PDF document text
- http://nosikugabuvisal.epizy.com/76719043659.pdfIn PDF document text

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