PDF malware analysis — malicious · 019706ac1408f1af

MALICIOUS

PDF

41.4 KB Created: 2020-11-13 08:58:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 065a4098cf064c9a9fb6f4d1cf66d681 SHA-1: 2cef2584c0841a6636adec784a05ff8b3c766e51 SHA-256: 019706ac1408f1af1b56c8645d08ed17dae19281e458ba0a7b58af6153dc5ccc

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. It contains a single image and minimal text, typical of a screenshot designed to conceal clickable links. The presence of numerous external links, including one to 'trafffe.ru', suggests an attempt to redirect users to malicious sites. No scripts were extracted, but the PDF structure itself facilitates the attack.

Machine Learning

Nyx PDF Classifier malicious score 0.7403

Heuristics 5

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.
External URI info PDF_URI

PDF contains an external URL action
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://trafffe.ru/aws?utm_term=flinn+scientific+electrochemical+cells+lab+answers
- https://cdn-cms.f-static.net/uploads/4366036/normal_5f8f989a75c92.pdf
- https://cdn-cms.f-static.net/uploads/4409413/normal_5fad8153f09a2.pdf
- https://zumutunamoja.weebly.com/uploads/1/3/4/5/134588160/b14856.pdf
- https://s3.amazonaws.com/viboxikuz/68271650978.pdf
- https://uploads.strikinglycdn.com/files/852ecee8-15df-4b43-83eb-33a5a2a4c2d3/crysis_2_mod.pdf
- https://s3.amazonaws.com/nalifij/what_does_it_mean_to_know_jesus_as_lord.pdf
- https://uploads.strikinglycdn.com/files/a9d475ba-a0be-40a5-91d9-95d626abe3d0/puzowezolizonofolerit.pdf
- https://s3.amazonaws.com/dofufiri/81106314673.pdf
- https://s3.amazonaws.com/ronenitevodo/86987507591.pdf
- https://s3.amazonaws.com/lixasifasi/numeros_primos_e_compostos_exercicios.pdf
- https://s3.amazonaws.com/sezebepit/foot_washing_baptist_meaning.pdf
- https://s3.amazonaws.com/mefadedosuw/essentials_of_environmental_health_free.pdf
- https://uploads.strikinglycdn.com/files/1edd218f-3da1-4ebd-b8ed-40299f73f09c/miss_universe_2016_live_stream.pdf

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