PDF malware analysis — malicious · a1d5527388eb4c59

MALICIOUS

PDF

39.4 KB Created: 2021-03-07 00:07:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 9dbb384d31ec789665b11d83e6c351df SHA-1: 8533ea0e8ec30c9963ec6aed2a12802dbc802cb6 SHA-256: a1d5527388eb4c59c9a728cebcbe11b70d86161e3247a874b12ca9911c39db42

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing campaigns, with a high ML classifier score and ClamAV detection. It contains multiple embedded URLs, suggesting it's part of a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF lures.

Machine Learning

Nyx PDF Classifier malicious score 0.8224

Heuristics 5

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 39 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://xajibur.ru/award?keyword=hoover+power+path+pro+xl+carpet+cleaner+manual PDF link annotation
- http://vodabutopidaru.getenjoyment.net/55623034498.pdfIn PDF document text
- http://pasendapp.online/7010082530719qv3.pdfIn PDF document text
- https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/nufalod-mumopim.pdfIn PDF document text
- https://zusavakaki.weebly.com/uploads/1/3/0/8/130815140/4168806.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408463/normal_604369e43cc1f.pdfIn PDF document text
- https://kowedeta.weebly.com/uploads/1/3/0/7/130775164/aa17b670e22a1a.pdfIn PDF document text
- http://iblack.space/neato_botvac_d_series_error_3000i59ge.pdfIn PDF document text
- https://marevesebogu.weebly.com/uploads/1/3/0/8/130813877/6490bd5.pdfIn PDF document text
- http://bitsracing.net/34202598381of6ea.pdfIn PDF document text
- http://irbestate.ru/how_to_open_lenovo_thinkcentre_m710qxs9j0.pdfIn PDF document text
- http://edayafar.xyz/folder_colorizer_1._4._68cmtu.pdfIn PDF document text
- https://s3.amazonaws.com/nowonovege/17869119481.pdfIn PDF document text
- https://s3.amazonaws.com/moduxanakuri/canadian_math_kangaroo_2019_questions_and_answers.pdfIn PDF document text
- http://panexorumilogim.myartsonline.com/79613236517.pdfIn PDF document text
- http://biwosagamivi.myartsonline.com/42314749443.pdfIn PDF document text
- https://s3.amazonaws.com/venunamazozuzo/gikowumurakebufosu.pdfIn PDF document text
- http://girofili.myartsonline.com/80767920323.pdfIn PDF document text
- https://s3.amazonaws.com/widiku/sibexotejigoben.pdfIn PDF document text

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