PDF malware analysis — malicious · 7cbe93731b5f465c

MALICIOUS

PDF

74.5 KB Created: 2020-11-10 22:33:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 7ce014463de479e971cb032fd49c76bc SHA-1: bceb26541ba74b6d8d230907300587b9ba05767d SHA-256: 7cbe93731b5f465c2264b80469972cd7f2d5abe0f690ffeee6cfa75e3afbcb91

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://trafftec.ru/123?keyword=kate+turabian+manual+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404287/normal_5fa0ed40a1ce4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389823/normal_5f922fb749542.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365598/normal_5f8e0a2308ace.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401559/normal_5fa0c6d06decd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368240/normal_5f976ffe1ce8f.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/nalifij/gujumeritafevawi.pdfIn PDF document text
- https://s3.amazonaws.com/zuxadol/zojow.pdfIn PDF document text
- https://s3.amazonaws.com/wibadinavosunom/vabako.pdfIn PDF document text
- https://s3.amazonaws.com/mawesenasijoser/medapuviwogebagulid.pdfIn PDF document text
- https://s3.amazonaws.com/banijugoniragom/pdf_scholastic_news.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02be2439-c364-4975-a40d-fe7b771f6905/joxosepililep.pdfIn PDF document text
- https://s3.amazonaws.com/vopadofugon/vasapoxiwefifixexixo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8265780f-542a-4736-b115-069f2ff52e59/betawud.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_off0000e4eb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4EB	5120 bytes
SHA-256: `a581dfa0dca8b22f3edaba02155176bce48cacc86ecfce5bdd908f727d6c7e5f`
`font_01_sfnt_off0000f63e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF63E	11964 bytes
SHA-256: `bbe489640541a78da5243daa8c477ae7dcf4848c7413d55347ac35d332a3941f`

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