PDF malware analysis — malicious · 32901bd614c731f5

MALICIOUS

PDF

49.2 KB Created: 2020-11-11 22:09:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 287a0f1338a4557a49cfcc9bdc6ea65f SHA-1: 0c68c6b1805edc1d8b05f2fb5a24e91b3598e978 SHA-256: 32901bd614c731f5bc85151eb379ef03d075e7c64e92890ff6f35d7f63fb8f19

232 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF is designed as a phishing lure, presenting itself as a worksheet but containing a malicious redirector link. The document body is heavily obfuscated, but heuristics indicate it's an image-based lure with a click-outward action. The primary IOC is the malicious redirector URL, which is likely used to deliver a secondary payload or lead the user to a phishing site.

Machine Learning

Nyx PDF Classifier malicious score 0.7011

Heuristics 5

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
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 49 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://gettraff.ru/aws?utm_term=area+of+irregular+shapes+3rd+grade+worksheets
- https://cdn-cms.f-static.net/uploads/4448727/normal_5fa4ff197d776.pdf
- https://cdn-cms.f-static.net/uploads/4377909/normal_5f8bd5f276746.pdf
- https://dotubebiwujodej.weebly.com/uploads/1/3/4/7/134701593/filawilujixoxeb.pdf
- https://kirasupi.weebly.com/uploads/1/3/4/4/134442552/lupuwitawivi.pdf
- https://cdn-cms.f-static.net/uploads/4388282/normal_5f8ed88b4dfea.pdf
- https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/valatulelaxepal.pdf
- https://cdn-cms.f-static.net/uploads/4379219/normal_5f99eeaf3e848.pdf
- https://s3.amazonaws.com/baritexovopa/grupo_de_guatemala.pdf
- https://s3.amazonaws.com/wukara/download_film_2018_sub_indo.pdf
- https://s3.amazonaws.com/wekibik/baka_tsuki_highschool_dxd.pdf
- https://s3.amazonaws.com/migivewuwe/my_not_so_perfect_life_read_online.pdf
- https://s3.amazonaws.com/kakef/zawufozoxipesubuxiri.pdf
- https://s3.amazonaws.com/ditiruz/wizirabomovewedugud.pdf

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