PDF malware analysis — malicious · f48f33cf4da5eedc

MALICIOUS

PDF

41.5 KB Created: 2020-11-09 19:43:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4cd47c00082617ff0f02801f47e79b2c SHA-1: 67e19fb62b0587d212bf693ac3fb2e396050feaa SHA-256: f48f33cf4da5eedc01a3bf0f43858d8418ffa0c42066492d4fd9698f9145faa7

232 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is identified as malicious due to its structure and embedded links. It functions as a phishing lure, presenting itself as an image-only document to obscure a clickable link. The primary malicious URL, https://cctraff.ru/strik?keyword=parts+of+wave+diagram, is flagged as a known malicious redirector. The document also contains a large number of external PDF links, suggesting it is part of a link farm designed to distribute malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.8493

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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/strik?keyword=parts+of+wave+diagram
- https://vabejodero.weebly.com/uploads/1/3/4/3/134378136/d41276.pdf
- https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/2c029f.pdf
- https://bozalugim.weebly.com/uploads/1/3/4/3/134343660/sezop_firijunazuzu_dipova_zabaxulupud.pdf
- https://kinojapi.weebly.com/uploads/1/3/2/3/132302846/saduxasuposuvit_madademabosapul.pdf
- https://cdn-cms.f-static.net/uploads/4391335/normal_5f9585fa22aef.pdf
- https://vobudofokivelux.weebly.com/uploads/1/3/4/5/134599261/d712d4d.pdf
- https://kagilovudugavap.weebly.com/uploads/1/3/1/1/131164538/bupupupefapen.pdf
- https://uploads.strikinglycdn.com/files/81f0494c-5c30-424d-8010-39c0497f0ade/fifubidinawodakenixizobup.pdf
- https://s3.amazonaws.com/rotowan/dowry_system_essay_in_hindi_download.pdf
- https://s3.amazonaws.com/jozetej/revevidusunuwakofejemum.pdf
- https://s3.amazonaws.com/wibedubosateg/vazabememugopikofugus.pdf
- https://s3.amazonaws.com/henghuili-files/surah_yasin_quran.pdf
- https://s3.amazonaws.com/xedewofuretujo/15344252594.pdf
- https://s3.amazonaws.com/ligole/ordering_rational_numbers_worksheet_7th_grade.pdf

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