PDF malware analysis — malicious · c0df781f11c973f0

MALICIOUS

PDF

78.0 KB Created: 2021-02-26 16:14:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: dbfb2b4414d7141877b089c0a34889cb SHA-1: 58cbbd9f4a1fe7321e470fb6f81fa8dc997cfd24 SHA-256: c0df781f11c973f0847ae02f10d114fd8d6b4b850cc85121a647a6c1fa3c6de1

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://resalured.ru/123?utm_term=articulo+constitucional+sobre+la+salud+en+mexico PDF link annotation
- http://sigisuzuk.getenjoyment.net/84767573288.pdfIn PDF document text
- https://cdn.sqhk.co/tipefimex/9KgiUij/fifa_futsal_world_cup_2020_tickets.pdfIn PDF document text
- http://xafopawiki.medianewsonline.com/common_core_ela_standards_grade_5_writing.pdfIn PDF document text
- https://cdn.sqhk.co/tesigasefaxe/uKjgiaf/strawberry_cake_recipe_with_box_cake_mix.pdfIn PDF document text
- https://cdn.sqhk.co/matikefateri/Viegdjh/fantasy_heroes_mod_apk_unlimited_gold.pdfIn PDF document text
- https://cdn.sqhk.co/tejilunuf/heA7Gjd/free_download_moto_traffic_race_2_mod_apk.pdfIn PDF document text
- https://cdn.sqhk.co/mavozopofug/j8iaiaN/mini_warriors_3_motocross.pdfIn PDF document text
- https://cdn.sqhk.co/lepavenujal/khijjBs/58807694116.pdfIn PDF document text
- https://cdn.sqhk.co/xojafimib/lcYlicm/museum_of_the_patriotic_war_of_1812_moscow.pdfIn PDF document text
- http://smartycredit.info/diary_entry_questions_and_answersaf4kw.pdfIn PDF document text
- http://sberpodarok2020.online/511540984489a9sj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kejufunekopal.epizy.com/international_mail_cost_canada.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_off0000f21e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF21E	5280 bytes
SHA-256: `60f50bcbaccc81382ded9b61df9bb70f05f1b64f77f71eeb90618f052182044a`
`font_01_sfnt_off000103fd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x103FD	11584 bytes
SHA-256: `7ba84367fa4cb38a5430ef0dc44e619f45a1c4dd537f33f7b3299b59158b654b`

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