PDF malware analysis — malicious · 073dbc85092bb8e4

MALICIOUS

PDF

52.6 KB Created: 2020-11-19 06:34:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 61bf06b596a9adc90dfbf6b0b924a9bc SHA-1: 9c4542222d910994f486f240b6c0127006890fde SHA-256: 073dbc85092bb8e4f16846f39e3f582cd21b5d46f946eea8bd68e1dab13b5ba9

212 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure and a large number of external PDF links, indicating a link farm. The ML classifier also flagged the document as malicious. These findings suggest the document's primary purpose is to redirect users to potentially harmful sites, possibly for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.6997

Heuristics 4

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://traffmen.ru/aws?utm_term=queen+speech+5
- https://pagurewitapusak.weebly.com/uploads/1/3/4/6/134632053/rurisuwuxidutuzukigi.pdf
- https://cdn-cms.f-static.net/uploads/4374957/normal_5fabf263b0a87.pdf
- https://cdn-cms.f-static.net/uploads/4420764/normal_5fa2a4a2ac36c.pdf
- https://cdn-cms.f-static.net/uploads/4461780/normal_5fa204b1633ca.pdf
- https://cdn-cms.f-static.net/uploads/4469645/normal_5fa5962369c1e.pdf
- https://fafofezun.weebly.com/uploads/1/3/4/3/134338513/nakipigakazus-xufozafi-gafigotuk-fuxojo.pdf
- https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/vuxuwanu-giwosofib-begemekofegesu.pdf
- https://uploads.strikinglycdn.com/files/aa828301-aeef-4473-bf61-9fe40b1d7ac3/para_referirse_al_arreglo_se_usa_un.pdf
- https://uploads.strikinglycdn.com/files/0821177b-bc5b-4e55-b97e-d11978f60197/31496997679.pdf
- https://s3.amazonaws.com/panokojol/957243867.pdf

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