PDF malware analysis — malicious · fa1aee4c0097ce99

MALICIOUS

PDF

72.8 KB Created: 2020-11-25 10:11:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: ef80cc2abb51350469ab1f58ed7bd139 SHA-1: d7c3a7121c628b4daaf9c735bae1139b4cfe8587 SHA-256: fa1aee4c0097ce99ecf52e70a91b593ae02ae95fbe0a5e5d885441c4487a8838

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 0.9997

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://trafficel.ru/strik?utm_term=black+thigh+high+socks+roblox PDF link annotation
- https://cdn-cms.f-static.net/uploads/4366965/normal_5f88ff83d8472.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387938/normal_5fb881d874d1c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424985/normal_5faa6df1376a2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369305/normal_5f87c6c73e98b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367911/normal_5f8d807e912b6.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/28154662-e7e9-455d-bad1-1c6d726af56d/91893151422.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6454a6b3-2526-4f71-8f61-8199a7768c40/tuwapafewigaronusobebogif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45ee7645-10e4-41f5-bef9-1071019f0546/81228912773.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/acacb05a-6b6c-448c-99db-d5c4564cc730/bunum.pdfIn PDF document text
- https://s3.amazonaws.com/welanisowari/canon_ip7250_cd_printing_software_mac.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28e112da-01f7-4d3e-9054-44dcf0c55d3e/38537548129.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_off0000ddf3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDDF3	5384 bytes
SHA-256: `ef04159b1036d923d68365461b7ca5562421284d701fcf120cdc30094f9a5b7b`
`font_01_sfnt_off0000f042.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF042	12276 bytes
SHA-256: `ff2dda0127bf4275f27984a850e577c66389805b847d68541b32e419a5851756`

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