PDF malware analysis — malicious · 24467e85176690b9

MALICIOUS

PDF

80.4 KB Created: 2021-03-03 08:42:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07

MD5: c47afa5e15fe8d068bc0bbfe052c5dce SHA-1: 809ebd24d829680bcb18688a779d334d038333a8 SHA-256: 24467e85176690b92cb0590b5e1b8d4317b6266ab71e0ddf81674aec4264d458

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an external URI pointing to a suspicious domain, likely intended to deliver a malicious payload or redirect the user to a phishing site. No scripts were extracted, but the presence of external URLs and the ML/ClamAV detections strongly indicate 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://baarspo.ru/strik?utm_term=the+wheel+of+time+gay+characters PDF link annotation
- https://cdn.sqhk.co/ketejeti/hj9CRjb/splash_mountain_merchandise_2019.pdfIn PDF document text
- https://cdn.sqhk.co/sorubajuzoxe/icLiagf/1991679415.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384299/normal_601afeeab3737.pdfIn PDF document text
- https://cdn.sqhk.co/bamebuxi/vHjikI1/texefodewilipasegizuda.pdfIn PDF document text
- https://cdn.sqhk.co/dibidoretu/ggiifii/mysteries_and_nightmares_morgiana_adventure_game.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375352/normal_6028693e24af5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445754/normal_601501c1091f4.pdfIn PDF document text
- https://cdn.sqhk.co/busibelifiv/apGEhiY/ates_ve_su_6_oyna_kral_oyun.pdfIn PDF document text
- https://cdn.sqhk.co/vakolitakap/Mjghagd/science_and_technology_wikipedia_in_marathi.pdfIn PDF document text
- http://abistrans.ru/how_to_connect_2_dj_mixers_togethercae1v.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/nunakixuma/midetofunoraz.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_off0000fc16.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC16	5436 bytes
SHA-256: `bd080cb1e29937c4935c202f7aa4e7e99566227c9435213067ecfb4e138eff25`
`font_01_sfnt_off00010e87.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E87	11268 bytes
SHA-256: `ece64c714e542702500af401af1c6705f651b1792d9dc09163d2c0cd333c67af`

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