PDF malware analysis — malicious · 1f760b4cc1b77635

MALICIOUS

PDF

50.6 KB Created: 2021-01-04 18:20:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: ad05c98936abbc8611ef7952ca367b0e SHA-1: 3294575ee9070ea3b5cdeae109f2902f890b14ee SHA-256: 1f760b4cc1b776350bb3034790e618dc4f00a46e5c7f6554d8e3c879761653d4

242 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a significant number of external links, many pointing to disposable domains and redirectors, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier further support its malicious nature. The embedded URLs suggest an attempt to lure users to phishing or malware hosting sites.

Machine Learning

Nyx PDF Classifier malicious score 0.7179

Heuristics 5

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://cctraff.ru/aws?utm_term=hard+factoring+problems+with+answers In PDF document text
- https://dukezowe.weebly.com/uploads/1/3/4/6/134602160/22083be24183b.pdfIn PDF document text
- https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/025e676f6.pdfIn PDF document text
- https://cdn.sqhk.co/xewumoxu/9jinghe/hide_and_seek_song_ready_or_not.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4466161/normal_5ff1ca94a4316.pdfIn PDF document text
- https://futokiwusilo.weebly.com/uploads/1/3/4/4/134458686/3183466.pdfIn PDF document text
- https://mumixopid.weebly.com/uploads/1/3/1/8/131872042/8152184.pdfIn PDF document text
- https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4733702.pdfIn PDF document text
- https://gefozovunipor.weebly.com/uploads/1/3/4/5/134585144/e49e0b8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378843/normal_5f8bdf34474a9.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/73a7151b-4258-45fe-abbe-ff195f1d6043/betomavevegax.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0afa092-8b68-458e-8cf1-9079febf5aff/another_word_for_inspiration_in_different_languages.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fb6a737-4a30-43b8-bab2-4a66c166eac6/bible_emergency_numbers_quick_reference_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b44ecd3e-fc6b-4e44-8ec4-d83bb5c4d2d1/tetexakukosere.pdfIn PDF document text

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