PDF malware analysis — malicious · 079c01aaddcf7365

MALICIOUS

PDF

82.6 KB Created: 2020-12-27 08:51:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: cca11a8a27b01eeb2488927805890a5b SHA-1: 7843f26f950774e45ae2293d6b7258449bf493a3 SHA-256: 079c01aaddcf73650057d3b6c10d7849447a0e5baafddef60290d54a45f95d73

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://gettraff.ru/aws?utm_term=analysis+of+kartilya+ng+katipunan+pdf'. This indicates the document's primary purpose is to lure the user to a potentially harmful external site. While no scripts were explicitly extracted, the nature of the redirector and the ML classifier's high confidence suggest a phishing or malware delivery attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://gettraff.ru/aws?utm_term=analysis+of+kartilya+ng+katipunan+pdf
- https://cdn.sqhk.co/jevipugirofi/RXaN4Il/11586717545.pdf
- https://cdn.sqhk.co/lilapanorup/LvggIhe/monster_hunter_generations_ultimate_3ds.pdf
- https://cdn-cms.f-static.net/uploads/4408987/normal_5fb83dcd0da2c.pdf
- https://cdn-cms.f-static.net/uploads/4368962/normal_5fa60dc2e47e0.pdf
- https://cdn.sqhk.co/bojojiweg/S4TInTC/gedodujodolemariribog.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/60e3d2bb-8e0e-43d7-acff-175cb7a4d9bb/15815343919.pdf
- https://s3.amazonaws.com/zifilobesumafi/b_tech_malayalam_movie.pdf
- https://s3.amazonaws.com/niporofez/el_viaje_de_su_vida.pdf
- https://s3.amazonaws.com/rebomedug/89705370444.pdf
- https://uploads.strikinglycdn.com/files/044bb15c-ad63-4bf5-8ee0-177f43d6df7c/5578189073.pdf
- https://s3.amazonaws.com/napejaxosinages/93385837835.pdf
- https://s3.amazonaws.com/getizar/kadiwirefem.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f35b.bin` `16a0685b1af8f7ff3286410c82d065b2ef9dd16f5cc5e004aadb0dd239daad33`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF35B	3120 bytes
`font_01_sfnt_off0000fe8e.bin` `855552870fbbb8b607956a903256aa5b03d52e0198a498dbd42b58d63ded3a03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE8E	5364 bytes
`font_02_sfnt_off000110f1.bin` `cd4ace1023443babffcd304eacd89a207af9980f0bf2dfb69405cf38199d7c08`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x110F1	17732 bytes

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