Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0e64a6ae16a270a…

MALICIOUS

PDF

64.0 KB Created: 2021-01-22 22:43:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: de148cf956197f0d312e3deda93e94c0 SHA-1: b5487089f30dde968d9facaa4926993316d6668a SHA-256: f0e64a6ae16a270a56fb825ce8ad8da610fabd4d26aa9033733e4198466020a8
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, likely intended to trick the user into downloading further malware or visiting a phishing site. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's part of a phishing or malware distribution campaign.

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://seumenha.ru/123?utm_term=2020+new+year+glasses+amazon PDF link annotation
    • https://cdn.sqhk.co/zenetofuma/ijwpgey/rdr2_online_legendary_animal_locations_map.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408995/normal_5ff8ef76b8bab.pdfIn PDF document text
    • https://biteledazuxol.weebly.com/uploads/1/3/4/3/134315761/6377809.pdfIn PDF document text
    • https://cdn.sqhk.co/miloxuso/jjbjggc/kesotiloniv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426262/normal_5ff377e41852f.pdfIn PDF document text
    • https://cdn.sqhk.co/pumibavi/fgcjeck/best_craft_beers_australia_2019.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kagokonutuvep.epizy.com/46714552526.pdfIn PDF document text
    • https://s3.amazonaws.com/fizufapu/45954496903.pdfIn PDF document text
    • https://s3.amazonaws.com/wujafivabipo/aleister_crowley_666.pdfIn PDF document text
    • https://s3.amazonaws.com/wozoxub/57208702458.pdfIn PDF document text
    • http://kinapemib.rf.gd/juvepepovolosubukiwuxuwu.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.

FilenameKindSourceSize
font_00_sfnt_off0000bde2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBDE2 5428 bytes
SHA-256: 74663fdaf23e048cdd7c73905f0e1e683f38e5e56ff1350f5784259199f0273e
font_01_sfnt_off0000d05c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD05C 10244 bytes
SHA-256: 158d125f4acd910f8618b6f21af4cd663a964001d2bb69c5527a5a13b29b50b6

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