PDF malware analysis — malicious · 559fadedebb5f51a

MALICIOUS

PDF

67.2 KB Created: 2020-11-26 06:40:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 957ea2b7171238cd03dae5254ce97290 SHA-1: 22dc903837fd8bd882ef7fd90d9ebb0f0e2565fe SHA-256: 559fadedebb5f51a88f135a3a02fdb07d4ce29a03d650b1b51e4e79c5b6bdc41

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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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/strik?utm_term=silver+leotard+near+me PDF link annotation
- https://cdn-cms.f-static.net/uploads/4453906/normal_5fbb54b505d40.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425924/normal_5f9f38212e8b9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417118/normal_5fa4e6db44e52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401546/normal_5f9154fd68123.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/jefobexapulow/brawl_stars_apk_download_free.pdfIn PDF document text
- https://s3.amazonaws.com/petuzutemixuvod/genewugepuvezamonirebu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ce2cb16-104b-496b-9d25-5052e5d9d6ec/north_haven_public_schools_employment.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f5bd53b-4532-4efa-995a-5ae1b088b9c6/18714309869.pdfIn PDF document text
- https://s3.amazonaws.com/jesidofefe/mr_chow_knightsbridge.pdfIn PDF document text
- https://s3.amazonaws.com/bededuxotulapil/retebikumiso.pdfIn PDF document text
- https://s3.amazonaws.com/wixatax/sutubaxume.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/jurekuladofa.pdfIn PDF document text
- https://s3.amazonaws.com/wizedumi/moral_diplomacy_importance.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_off0000cb1c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCB1C	4956 bytes
SHA-256: `44fa1bb4d556b3e924a0b266e733a9db7aece8a3c6b0c7f01fc7867040983f76`
`font_01_sfnt_off0000dbea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDBEA	10712 bytes
SHA-256: `42e0593f4ae11d4a3f694b115789f0b7ef2db28b5b780b1973f231239e68d08b`

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