PDF malware analysis — malicious · a470451b10bb9103

MALICIOUS

PDF

68.4 KB Created: 2020-11-20 15:43:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 4d5f250df762c9d34b9c0a8bc5fc9d9f SHA-1: 29fbbe4ad06398cbd29fe3986b74df5c96df2262 SHA-256: a470451b10bb910338be1666e4a023f24d4764340f991e0df5fc3784489d455c

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://traffset.ru/123?utm_term=llws+television+schedule PDF link annotation
- https://cdn-cms.f-static.net/uploads/4409238/normal_5fb7537338a13.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374984/normal_5f891fe0a90e6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381091/normal_5f8f85c9707bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450898/normal_5fa24e8617276.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366000/normal_5f890eb8b486e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376127/normal_5f9ca6f8a2674.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414515/normal_5fad58646e221.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369318/normal_5f8d7cc0ad0b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366630/normal_5fb60e24c7950.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/9c837ba5-f4d6-4b76-94be-59a57d62e9b7/is_it_worth_it_lyrics_jay_rock.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52f3c150-dbb7-4e6b-a638-c3b02f5ee02f/6970238373.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b201a3d-ff3a-4f92-a56d-71021918cc87/70291780538.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_off0000d109.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD109	4812 bytes
SHA-256: `f03f7c8ec2ca0128387208550dc75f15ce178b0a2eb32c991be0c5bdfefbbaf8`
`font_01_sfnt_off0000e17e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE17E	10252 bytes
SHA-256: `ec1174d4084a974d670407d1b1bbbe7363d5859024ee49c0b079c8168c3e5e33`

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