PDF malware analysis — malicious · 9117f277e47c1dd2

MALICIOUS

PDF

68.4 KB Created: 2021-01-06 03:50:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 615b064bd851b2331bd0a70ef501f46a SHA-1: 93553f0001a9d639ee7c10b8c03f101789ddaed4 SHA-256: 9117f277e47c1dd228087eb5d01429ef8061f343ee9e2aa0b4e142e5f45a769f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'trafffi.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to 'Sony Vegas Pro 14 tutorial pdf', aiming to trick users into clicking the malicious link.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://trafffi.ru/aws?utm_term=sony+vegas+pro+14+tutorial+pdf PDF link annotation
- https://cdn.sqhk.co/gagupibi/elSjjwH/susimagela.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372376/normal_5f9569b3b94df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457000/normal_5fa16d034fcad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393028/normal_5fba453352c30.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387577/normal_5f97bf551cf06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448330/normal_5fa2ae521c900.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450440/normal_5fcbfa87708db.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482207/normal_5fa7e36113909.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/pilazi/sasil.pdfIn PDF document text
- https://s3.amazonaws.com/lixuduwonifa/nufezoxaxa.pdfIn PDF document text
- https://s3.amazonaws.com/mukut/13011703541.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_off0000cbcb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCBCB	5616 bytes
SHA-256: `f95f02df4c8ad9241131017675dd1a923746fa49c1cdce5c19d18ae65b0693c5`
`font_01_sfnt_off0000df17.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF17	10588 bytes
SHA-256: `28ae8c6e7f08576f9c4b86128462141e2398244720eeb8362e121026d81ce8af`

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