Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f0b83ad3633c8ff…

MALICIOUS

PDF

166.5 KB Created: 2021-07-12 20:42:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-05
MD5: 507f6d38c33a7628a715fa5c4091e54a SHA-1: 576858f03bb908a7bf1e1719f10c9823d906d0aa SHA-256: 7f0b83ad3633c8ff6afb146a88873d2397025cc18a7e9f60f880f80e14f18687
66 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with the signature Pdf.Phishing.Trojan. The embedded URL points to a suspicious domain, suggesting a phishing attempt. Although no scripts were explicitly extracted, the PDF structure and the presence of an external URI indicate an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0592

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://garglob.ru/square?utm_term=alpha+phi+alpha+fraternity+incorporated PDF link annotation
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e937b12210ba6bce12e75f/1625896881595/chatrapathi_audio_songs_downloading.pdfIn PDF document text
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e91929787dde1a90adbc22/1625889065531/11188808702.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00022c1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x22C1A 18352 bytes
SHA-256: 78a08253172de68096bca87854d9bac134351ec6526f7a843889a0a998957e82
font_01_sfnt_off00025bef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25BEF 10644 bytes
SHA-256: fc98d9450059b2de5d922d80b24d4bba17bad16778f2349ca0fe205aaeb2a8d8
font_02_sfnt_off00027447.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27447 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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