Malicious PDF — malware analysis report

Static analysis result for SHA-256 da97cb5747510795…

MALICIOUS

PDF

129.0 KB Created: 2021-07-15 11:02:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 1190e3858d76d3111eb8248f0ed3b2fe SHA-1: e7261f9f71d745941a344884d4b2edbd3b394d5e SHA-256: da97cb574751079557a25a64a02e1b6aa7b7751050c0a9d22d3020bbc26d475b
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that exhibits characteristics of an advance-fee scam, including urgency lures and claims of financial benefit. It contains an external URI pointing to a suspicious domain, which is likely part of the scam's infrastructure. Although no scripts were explicitly extracted, the PDF format can embed JavaScript for malicious purposes, and the heuristic firings suggest a phishing and scam-related attack pattern.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4614

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://chcial.ru/square?utm_term=icd+code+for+gait+instability
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ee63b7537273346e32235d/1626235832005/response_to_an_email_that_goes_on_and_on.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee2b0f115d504d3a84f67f/1626221327915/dajan.pdf
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e907fcb10b9b33fa96d3b3/1625884668925/gewalizevan.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001967a.bin
ed012757e9e87baf8e4dd361e4bcfdd57966cb35c75173803a6b3aab82e39939		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1967A 10856 bytes
font_01_sfnt_off0001af89.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1AF89 16792 bytes
font_02_sfnt_off0001c79b.bin
bba2cb7d41a716e407ede193fadaa288d188ba50a9e0ab49fc7f1203a6eaf4a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1C79B 17672 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.