PDF malware analysis — malicious · 1f99f9973a7e7749

MALICIOUS

PDF

25.9 KB Created: 2020-10-31 09:01:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 79e41416f7c43b4be09a20d630e864d0 SHA-1: 3dd62af08a9564512e2b40ca2a12ac9a0b34e352 SHA-256: 1f99f9973a7e7749403b7df8516b4204d37a8d54ab6e06cdf4679430de844366

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to redirector infrastructure or link farms. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that at least one of these links leads to known malicious infrastructure. The ML_NYX_PDF_MALICIOUS classifier also strongly flagged this document. The embedded URLs suggest an attempt to redirect users to potentially malicious content or phishing sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9963

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.
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.
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://gettraff.ru/aws?keyword=castlevania+lords+of+shadow+parents+guide
- https://kizozejibudi.weebly.com/uploads/1/3/4/4/134460324/4292566.pdf
- https://cdn-cms.f-static.net/uploads/4365546/normal_5f86fa7b8c8d0.pdf
- https://cdn-cms.f-static.net/uploads/4367271/normal_5f87430689f69.pdf
- https://s3.amazonaws.com/pewebopufupe/gedubimazu.pdf
- https://s3.amazonaws.com/nemafu/graco_snugride_32_manual.pdf
- https://s3.amazonaws.com/muvemasoxaji/number_bond_in_spanish.pdf
- https://s3.amazonaws.com/rerinago/54028511197.pdf
- https://s3.amazonaws.com/susopuzupure/zirisatunadipil.pdf
- https://s3.amazonaws.com/zedudo/four_regions_of_texas.pdf
- https://s3.amazonaws.com/mibiwivanetuj/bronchial_asthma_case_study.pdf

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