PDF malware analysis — malicious · 0c7430e89cb7f299

MALICIOUS

PDF

49.6 KB Created: 2020-12-22 20:40:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ee329891c3c454e841779ef4d6987316 SHA-1: ff15082b08cc87af9d0aefee3ea9ce466ab293c3 SHA-256: 0c7430e89cb7f299ef71df8c034b24e2c28ee138da0f17344ac28dd29a3bf621

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its small size and image-only content, typical of a screenshot used to hide clickable links. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The ClamAV detection and ML classifier further support its malicious nature, likely serving as a delivery mechanism for further compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.7011

Heuristics 6

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 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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://traffnew.ru/aws?utm_term=livestock+judging+reasons+template
- https://mimudokax.weebly.com/uploads/1/3/4/7/134742140/gibedasulogoritebun.pdf
- https://baboxubawuxi.weebly.com/uploads/1/3/4/6/134666135/lotalakib-bufozi-xabatikevapar-ruxisukamepese.pdf
- https://kujegafibez.weebly.com/uploads/1/3/4/2/134265926/5750421.pdf
- https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/kedoxezezaj-temolej-zunemalavorun-mutelokowomimi.pdf
- https://xuzizalebu.weebly.com/uploads/1/3/4/7/134772475/babiwisiru.pdf
- https://damitonamusu.weebly.com/uploads/1/3/4/3/134306925/redowikokanutefa.pdf
- https://turomanusogagi.weebly.com/uploads/1/3/1/4/131453559/kuvawidifakurabebe.pdf
- https://fupexorugukemig.weebly.com/uploads/1/3/0/8/130814763/tomivavevijenalewa.pdf
- https://s3.amazonaws.com/wemupajese/words_that_start_with_l_for_kids.pdf
- https://uploads.strikinglycdn.com/files/fce82f96-9e3d-44da-b810-4e7ef0f3d887/black_knights_fortress.pdf
- https://s3.amazonaws.com/falevi/13042971378.pdf
- https://s3.amazonaws.com/wazotojemov/complementary_angles_and_supplementary_angles_worksheet.pdf
- https://uploads.strikinglycdn.com/files/10f8bed2-8db6-46ed-bccb-d67830f0df2b/graphing_sin_and_cos_functions_worksheet.pdf

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