PDF malware analysis — malicious · 04c48cd36fac1b61

MALICIOUS

PDF

33.6 KB Created: 2020-11-04 02:52:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 67e68156df5821bbe027082384ab44fc SHA-1: dc752d334d15fc741af733755439a11e1a776d4a SHA-256: 04c48cd36fac1b61bf43ad394979e4eb09898bf5139d962732b3aabfe51469e5

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure ('Ride trophy guide'). The presence of numerous external PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content. The primary IOC is the malicious redirector URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9970

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://ggtraff.ru/aws?keyword=ride+trophy+guide
- https://cdn-cms.f-static.net/uploads/4413696/normal_5f9893f53b759.pdf
- https://cdn-cms.f-static.net/uploads/4369152/normal_5f8b761d11a92.pdf
- https://nobozufale.weebly.com/uploads/1/3/4/3/134322784/5630061.pdf
- https://cdn-cms.f-static.net/uploads/4365584/normal_5f87607392aa3.pdf
- https://cdn-cms.f-static.net/uploads/4368492/normal_5f87fb02c0362.pdf
- https://cdn-cms.f-static.net/uploads/4367632/normal_5f934a9473a0d.pdf
- https://cdn-cms.f-static.net/uploads/4365628/normal_5f874e6eae12a.pdf
- https://cdn-cms.f-static.net/uploads/4407062/normal_5f95f204619a8.pdf
- https://cdn-cms.f-static.net/uploads/4369914/normal_5f8b0d7c4200f.pdf
- https://uploads.strikinglycdn.com/files/41fb1fa2-11cb-460a-9981-64433f5801a9/32624856145.pdf
- https://uploads.strikinglycdn.com/files/b896d875-a6e8-4687-9d82-0af7f684c41b/combat_armor_mk_2.pdf
- https://uploads.strikinglycdn.com/files/67663d3c-3bcd-4b1e-8894-3519806b8d13/tuwibasaw.pdf
- https://uploads.strikinglycdn.com/files/255d100e-d603-42d2-9f72-692d356b9592/23760544750.pdf
- https://uploads.strikinglycdn.com/files/0cc465ad-306e-4c5e-8329-c0cac6126e6e/47767353779.pdf
- https://uploads.strikinglycdn.com/files/32a0071d-1c78-4617-9c05-5d3ce71e0956/5e_the_traveler.pdf

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