PDF malware analysis — malicious · c375fb829e7135ef

MALICIOUS

PDF

59.6 KB Created: 2021-02-22 13:47:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07

MD5: a58afc9f7abd4c095c5f4b2f7254851e SHA-1: 756b48fd385d5d384defcd6fd926e930e4722ee7 SHA-256: c375fb829e7135efbd6b64e7cfcdadb6c0caf9b19e661672777b19499e5c6965

182 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs pointing to disposable domains and known malicious redirectors, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the document's structure and embedded links are indicative of a malicious redirector pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.6841

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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://crophysi.ru/strik?utm_term=how+to+fix+your+washing+machine+that+won%2527t+spin In PDF document text
- http://ita-women.space/kamba_ramayanam_ayodhya_kandam_in_tamilzttv6.pdfIn PDF document text
- https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/vasudarobu-rozezofuwuj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382966/normal_5fd784fe9d03e.pdfIn PDF document text
- http://5coupon.info/best_astro_app_for_androidgc87n.pdfIn PDF document text
- https://jokuduzasaru.weebly.com/uploads/1/3/1/3/131381103/pitadonajipe-xiwolex-risigosopid.pdfIn PDF document text
- https://cdn.sqhk.co/jutafegobexe/UgcifuX/91295343309.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476152/normal_5fe58e6d3f5e6.pdfIn PDF document text
- https://cdn.sqhk.co/xelajuwodaf/jheJibi/11119126136.pdfIn PDF document text
- http://tenp-mail.xyz/ninja_spring_cartoonfu7r4.pdfIn PDF document text
- http://egosikenclub.com/zupamui71ui.pdfIn PDF document text
- http://fsfsfd.xyz/588197902510bwqt.pdfIn PDF document text
- http://quickstore.pro/lowebejoruwafomiskjn86.pdfIn PDF document text
- http://teksol.xyz/42331583392rtjvp.pdfIn PDF document text
- https://cdn.sqhk.co/gusiloxi/jKhhihK/kohl_s_black_friday_ninja_coffee_bar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392873/normal_600d265a07392.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444850/normal_60187ec615e5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370074/normal_600ae82cf2ebb.pdfIn PDF document text
- https://cdn.sqhk.co/lolajelor/jnyjavp/upcoming_cartoon_tv_shows_2020.pdfIn PDF document text
- http://nedomawof.rf.gd/tagobugaru.pdfIn PDF document text

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