PDF malware analysis — malicious · a7f7153facfe3544

MALICIOUS

PDF

79.2 KB Created: 2020-11-18 05:52:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 99bceabd2dad1853df477a2ccc247893 SHA-1: d9a3345fa2971e23c2741f2e644489b34361dbd9 SHA-256: a7f7153facfe354476f86c598c61d3a754d7b8cb95518eb9dd8ebd9314c88d1d

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://traffnew.ru/strik?utm_term=new+jersey+high+school+girls+basketb PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374957/normal_5fa07f5122c87.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381762/normal_5f990cc55a3d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370071/normal_5f88861744033.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368996/normal_5f879edc1d372.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390328/normal_5fa14ad459a94.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/89b323a4-9ebd-441d-9281-477d0a5e74db/wejuwu.pdfIn PDF document text
- https://s3.amazonaws.com/wewuxuviwar/63665828470.pdfIn PDF document text
- https://s3.amazonaws.com/xalasawu/xapotejubopoduwevuga.pdfIn PDF document text
- https://s3.amazonaws.com/votawawo/luvuwetirozadovadiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0e95eeed-37dc-4fce-9af7-fdd5cad8f07c/rejijenojutifisuge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d374d102-4033-4fcd-9e94-0f00f3ae1db4/terraria_apk_latest_version_paid.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_off0000f80c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF80C	5504 bytes
SHA-256: `bcb767beb26aa6c996c9aa8139c7793e62f10cf63d7604b51a84461b8352bf1f`
`font_01_sfnt_off00010ae5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10AE5	10988 bytes
SHA-256: `6f5d54f17554bb620dd81b4ca03b534e5fecbf994fd737fe65860d398b5a22e5`

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