PDF malware analysis — malicious · 5ab2a4871298879f

MALICIOUS

PDF

41.4 KB Created: 2020-12-28 18:06:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 9c13b665fbb206e19c86cae7569ee6cb SHA-1: 76083ffeb77483718425adc781d4b0a0a35721c8 SHA-256: 5ab2a4871298879f0e3548ecb97d4113edfedaa62befdfd0daa8bdde64a3c875

204 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-only nature and embedded 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 content. The ClamAV detection and ML classifier further support its malicious classification.

Machine Learning

Nyx PDF Classifier malicious score 0.8493

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
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.
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://traffset.ru/aws?utm_term=true+colors+piano+sheet+music PDF link annotation
- https://wojedebaroz.weebly.com/uploads/1/3/1/6/131637691/bipilule.pdfIn PDF document text
- https://nilesezijifata.weebly.com/uploads/1/3/4/8/134885493/bixogavufanane_panaged_xatutotepinupu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490274/normal_5fdc50f5b5401.pdfIn PDF document text
- https://vojizozovogimum.weebly.com/uploads/1/3/0/7/130740342/9720c02d65e4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369928/normal_5f913966d4193.pdfIn PDF document text
- https://fimozovaxevaba.weebly.com/uploads/1/3/4/3/134366914/bebivozizan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410204/normal_5f9d1a5c2505c.pdfIn PDF document text
- https://tutamakut.weebly.com/uploads/1/3/0/7/130776204/7ede7bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443803/normal_5fa16caf7e080.pdfIn PDF document text
- https://sefokasezasun.weebly.com/uploads/1/3/4/6/134690402/nofex_peveluniv_zalale_tojeniw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369665/normal_5fc1162715980.pdfIn PDF document text
- https://s3.amazonaws.com/nawuvud/buvaduduravesabajatebavi.pdfIn PDF document text
- https://s3.amazonaws.com/wonoti/xutowamonodowadomizi.pdfIn PDF document text
- https://s3.amazonaws.com/tanapilamaxi/zuloxixutexupexuso.pdfIn PDF document text

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