PDF malware analysis — malicious · 0e290ab530f7505c

MALICIOUS

PDF

75.7 KB Created: 2020-11-22 21:00:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 69a4675b1ae087c8757b84918a936ba6 SHA-1: d0bfe2f87a2a245884a556e24b48131994a04c14 SHA-256: 0e290ab530f7505c257b285cb8dbee2ee9041d8d9342c24d66f3fbf37ac7f899

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL points to a suspicious domain, and the ML classifier strongly flagged the PDF as malicious. While no scripts were explicitly extracted, the nature of the redirector suggests an attempt to lure the user to a malicious site, likely for phishing or to download a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://cctraff.ru/aws?utm_term=arabic+web+design+templates
- https://kafazuvowimi.weebly.com/uploads/1/3/4/7/134705673/kugikut_tomusap_karivekudodivuk.pdf
- https://cdn-cms.f-static.net/uploads/4406812/normal_5fafead29f81f.pdf
- https://bewapuvin.weebly.com/uploads/1/3/1/4/131453684/8e9448c9d4b87c8.pdf
- https://cdn-cms.f-static.net/uploads/4419194/normal_5fb608fd0bad0.pdf
- https://dosedoduni.weebly.com/uploads/1/3/4/3/134347632/cf4d5f8748b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dumupa/47180870640.pdf
- https://s3.amazonaws.com/senodiw/37503860313.pdf
- https://s3.amazonaws.com/rezugekolaba/food_quality_assurance_manual.pdf
- https://uploads.strikinglycdn.com/files/ad4cfb94-9fa2-4cca-adba-91db22b686fd/buxowalirixivo.pdf
- https://s3.amazonaws.com/dinigugaxej/xatilibovelapuni.pdf
- https://s3.amazonaws.com/jimugivos/lelifubemuvofodimuw.pdf
- https://uploads.strikinglycdn.com/files/149963c9-654e-43c7-ac70-9e9c9e8edbb4/brief_principles_of_macroeconomics_8.pdf
- https://s3.amazonaws.com/juliziwojatige/review_and_reinforce_worksheet_answer_key.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ea41.bin` `6ccfc7bfc9653588af2bcae208b3179b72dbebca28cb1a7a2d62caf29b5e55de`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA41	5612 bytes
`font_01_sfnt_off0000fd4b.bin` `ed9e91537d997b94fd2a61ead7502eb2d773d7687a9af146aa4cd6cf5fda1491`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFD4B	10736 bytes

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