PDF malware analysis — malicious · af0825844218a920

MALICIOUS

PDF

79.7 KB Created: 2021-01-11 23:46:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23

MD5: 813b07a8df775142fd962964e9ceaf03 SHA-1: 58ca33018e6b13c5166a3b540d0d8a276ff187c2 SHA-256: af0825844218a920c05e4748b4de61b5bce8d53ee3af01d6c6485574c11bbba4

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://traffine.ru/aws?utm_term=unix+commands+used+in+informatica+pdf PDF link annotation
- https://cdn.sqhk.co/rogokivika/gdhehga/u_mobile_postpaid_plan_with_phone.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459467/normal_5fe38b5fe36de.pdfIn PDF document text
- https://cdn.sqhk.co/xufatirumina/jjqYlii/police_flashlight_taser_1101_price.pdfIn PDF document text
- https://cdn.sqhk.co/suwapipejob/gckje6C/xujalojagivamevuxaja.pdfIn PDF document text
- https://cdn.sqhk.co/guzunilepin/iAjgSNn/62958006031.pdfIn PDF document text
- https://cdn.sqhk.co/savaketiju/emcjhja/guwawefumin.pdfIn PDF document text
- https://cdn.sqhk.co/jivomawufem/jfghFG6/fetusoberelemuv.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401989/normal_5ff4fdfdafbab.pdfIn PDF document text
- https://cdn.sqhk.co/guregame/fGgiidG/kevojewuforigazegivawigul.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/davubewu/9814131963.pdfIn PDF document text
- https://s3.amazonaws.com/tadevewuju/dajejimojudebafijululudo.pdfIn PDF document text
- https://s3.amazonaws.com/firudegix/belarofujokupo.pdfIn PDF document text
- https://s3.amazonaws.com/fosawef/matching_animal_worksheet_with_pictures.pdfIn PDF document text
- https://s3.amazonaws.com/sajezife/29247165576.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_off0000f5c9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5C9	5328 bytes
SHA-256: `e1bf8181374106d8f6bd14a20af91892c9fafeb27e4a2093e3bd4a783ab946ef`
`font_01_sfnt_off000107da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x107DA	12396 bytes
SHA-256: `62b2ab17539b28886b997ebfc7bff136935f76ab0d47f758e3e7a880f1b35ba9`

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