PDF malware analysis — malicious · 06574caf46c5a51d

MALICIOUS

PDF

63.0 KB Created: 2020-12-24 02:39:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: ac26e429a9e1dba8df11522724d29534 SHA-1: 92dca0b4445414137642209a8877aba5d7236889 SHA-256: 06574caf46c5a51d5d39984a2484e07b4e50acf0c5458bd3822c96551b475232

104 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document flagged by ClamAV as a phishing trojan. It contains an embedded URI pointing to 'traffking.ru', which is likely a malicious domain. The heuristic 'SE_URGENCY_LURE' suggests the document attempts to create a false sense of urgency to prompt user interaction. While no scripts were explicitly extracted, the PDF format often utilizes JavaScript for malicious actions, hence the inclusion of T1059.007.

Machine Learning

Nyx PDF Classifier malicious score 0.9983

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
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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://traffking.ru/strik?utm_term=word+collect+answers+level+652 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4501777/normal_5fd0c07fc1d4f.pdfIn PDF document text
- https://cdn.sqhk.co/zifalulog/gfnhgkG/gapuxumalovegaz.pdfIn PDF document text
- https://jetosiwer.weebly.com/uploads/1/3/4/7/134767378/1049510.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476294/normal_5fcd7dfa9e464.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411708/normal_5fb4cdd1733f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408987/normal_5f99c6ac6655d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1f8e3153-dcbc-432b-8b9a-b6fde02b1901/face_worksheets_for_preschoolers.pdfIn PDF document text
- https://s3.amazonaws.com/dobikasukavu/jekudegotugafedag.pdfIn PDF document text
- https://s3.amazonaws.com/xutomoxu/tirivamuvegipofage.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_off0000b986.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB986	5508 bytes
SHA-256: `ca3994796f493841442e61fdb2c0bc5eb13fdf8bfd52f0ad4cd7ebf39341901e`
`font_01_sfnt_off0000cc75.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC75	10328 bytes
SHA-256: `0ba9c7345b040c4d2fbb75ef0831340f152019a682aaf3979922e2693740914f`

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