PDF malware analysis — malicious · 46a728076a62a708

MALICIOUS

PDF

18.7 KB Created: 2020-11-04 10:42:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: d071f1660f317f215032ebd3e66cc1e2 SHA-1: 09e7f8e3d0dec6ee067d00a568fbb9891855786b SHA-256: 46a728076a62a7086845cdc5e03a98a48d851baa5f9055e35e613f22bb8266cd

112 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file is identified as malicious due to its structure, which resembles a screenshot lure designed to trick users into clicking a link. The critical heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the embedded URL, https://cctraff.ru/strik?keyword=viewsonic+projector+dcr, leads to known malicious infrastructure. The ML classifier also strongly indicates maliciousness. No scripts were extracted, but the presence of a malicious redirector URL is a high-priority indicator.

Machine Learning

Nyx PDF Classifier malicious score 0.9986

Heuristics 3

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.
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 18 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=viewsonic+projector+dcr
- https://cdn-cms.f-static.net/uploads/4402267/normal_5f90ed7b8fcd7.pdf
- https://cdn-cms.f-static.net/uploads/4368225/normal_5f87b528e6f54.pdf
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f8736018d18a.pdf
- https://cdn-cms.f-static.net/uploads/4451028/normal_5fa175f70579f.pdf
- https://cdn-cms.f-static.net/uploads/4380682/normal_5f8beac81f832.pdf
- https://cdn-cms.f-static.net/uploads/4426823/normal_5f9bc99f04c22.pdf
- https://cdn-cms.f-static.net/uploads/4366973/normal_5f99d2570f8b7.pdf
- https://s3.amazonaws.com/loxopudizus/switzerland_train_map.pdf
- https://s3.amazonaws.com/nawosineromigi/30496210425.pdf
- https://s3.amazonaws.com/babuxufarizuxur/67221588137.pdf
- https://s3.amazonaws.com/fonazuzixagizir/dark_souls_remastered_weapon_durability.pdf
- https://s3.amazonaws.com/buganabowumujef/22202956865.pdf
- https://s3.amazonaws.com/jamokaroxoj/22282069873.pdf
- https://uploads.strikinglycdn.com/files/bc020d57-8ddd-42af-8c5d-8ca04991610d/fourier_analysis_of_time_series_an_introduction.pdf
- https://s3.amazonaws.com/figugipopar/abcd_bubble_answer_sheet.pdf

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