PDF malware analysis — malicious · 44ce543d46b301b2

MALICIOUS

PDF

73.4 KB Created: 2021-01-10 09:47:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: cb34a11289169a8bd3c3f9163d522993 SHA-1: 91f0f1939c40361afaf2156aff220d6a61b69526 SHA-256: 44ce543d46b301b2f2c269a7cb05306596d885212b86e2b43afde35894efec10

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URL that leads to a domain known for malicious activity, likely intended to deliver a secondary payload or redirect the user to a phishing site. No scripts were extracted, but the presence of the malicious URL and the overall detection profile strongly suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
External URI info PDF_URI

PDF contains an external URL action
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://trafffe.ru/aws?utm_term=software+design+specification+document+template PDF link annotation
- https://static.s123-cdn-static.com/uploads/4370089/normal_5feb90a2481c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424029/normal_5fee83daca2b9.pdfIn PDF document text
- https://cdn.sqhk.co/pegidago/tw1wggY/sopomaniletozadadexozute.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368760/normal_5fab36e970662.pdfIn PDF document text
- https://cdn.sqhk.co/tumowara/ifMB2ji/92542704274.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/besafefaf/dispatch_voters_guide.pdfIn PDF document text
- https://s3.amazonaws.com/tarizirefevifab/loruduvudolalez.pdfIn PDF document text
- https://s3.amazonaws.com/fuwuzerijofa/buriwosuzinuvojaxafi.pdfIn PDF document text
- https://s3.amazonaws.com/davolazupivowi/bard_guide_3._5.pdfIn PDF document text
- https://s3.amazonaws.com/kegubinefuda/ymca_indian_guides_history.pdfIn PDF document text
- https://s3.amazonaws.com/xapidajovaji/8536971908.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e0e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE0E1	5668 bytes
SHA-256: `e95acd44f7e035d4390acf8ebd32729f40cb6268d7ec2c481ad2e507d4b808c7`
`font_01_sfnt_off0000f432.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF432	10836 bytes
SHA-256: `6fae6839a44cb3b9d7deaf847f8a34e74b426ff1491c5346a973be0bc190991b`

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