Malicious PDF — malware analysis report

Static analysis result for SHA-256 864dded8a05e8568…

MALICIOUS

PDF

37.2 KB Created: 2020-10-02 08:51:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 8b5881a6dd8895d6fca4cb24fa9bce04 SHA-1: 6042422381f63e0260e1b4b980b16096170ea32d SHA-256: 864dded8a05e8568bbccf33787238a65d1fca205c94b385160285736306ca1be
94 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. The embedded URL, https://gettraff.ru/pify?keyword=basketball+in+spanish+examples, is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link strongly suggests a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://gettraff.ru/pify?keyword=basketball+in+spanish+examples In PDF document text
    • http://suvej.wssbadminton.com/uploads/1/3/0/9/130969699/77155.pdfIn PDF document text
    • http://papetepot.shelbyfop84.com/uploads/1/3/2/6/132681229/642936.pdfIn PDF document text
    • http://wuzor.lilianholm.com/uploads/1/3/1/3/131381045/8421934.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/3534/9151/files/bissell_spotbot_pet_instructions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7552/6042/files/18432891015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/2988/0981/files/bennetts_mill_middle_school_football.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4361/7958/files/raven_blue_hair_color.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/2133/1364/files/module_9_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4371/1907/files/la_casa_en_mango_street_sandra_cisneros.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0471354-ec3e-4274-8690-00a27da3cd0e/57479862380.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce4fc961-59b0-4dee-afaa-0a63e775f804/siwejulo.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_off000053b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53B3 5284 bytes
SHA-256: ce8380e431e070ff7e481b17cdfc4d4e014eeb36a68cf18c1eb4e719b42a20c0
font_01_sfnt_off00006588.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6588 10260 bytes
SHA-256: 0d72fb76df1e5039a771a6037f4b3b66d7fb3ebbe9ed9a6b69434bb3ef747324