Malicious PDF — malware analysis report

Static analysis result for SHA-256 22f198a777cab412…

MALICIOUS

PDF

30.2 KB Created: 2020-11-08 00:18:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 39c27c0dd6874a97078fbac8e5ebbadb SHA-1: 759c33e64f309e345e75d5ad7a8a966bfe73b983 SHA-256: 22f198a777cab41298c921bc2a8b6e3a45ec7d8bdd117961ec37b0f2f2b6c90a
114 Risk Score

Malware Insights

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

This PDF document is designed as a lure, presenting itself as an image to trick users into clicking a link. The embedded URL, https://traffine.ru/aws?keyword=southbay+yacht+club+homes+for+sale, is identified as a malicious redirector. The document's structure and the presence of a malicious link strongly suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 30 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://traffine.ru/aws?keyword=southbay+yacht+club+homes+for+sale In PDF document text
    • https://xonunomimir.weebly.com/uploads/1/3/2/6/132681278/8681602.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402503/normal_5f999ff2aa689.pdfIn PDF document text
    • https://sepenunaxob.weebly.com/uploads/1/3/0/7/130776074/37b38e982360.pdfIn PDF document text
    • https://butiziro.weebly.com/uploads/1/3/4/3/134308177/bumejezok_nupumumizap_mivavod_razetisaxov.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/6f5be3a943e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/791da20b-dad7-4f77-a182-74da713da924/shrm_assurance_of_learning_study_gui.pdfIn PDF document text
    • https://s3.amazonaws.com/kiwopusafize/muvawapusexexesenar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d3cea76-4800-4b67-99c2-52d1b22853bd/ripujilalebezogibezux.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/mp4_movies_marathi_movie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12547a1d-cce9-4ee4-8e23-597ea3b23aba/how_to_draw_a_dirt_bike_step_by_step_easy.pdfIn PDF document text
    • https://s3.amazonaws.com/takateg/beauty_and_the_beast_jr_script.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_off00003f3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F3A 5468 bytes
SHA-256: ddd7cd50bb4e7305cc69d55892f93fece984ba242cca928026a78152322f5c57
font_01_sfnt_off000051b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x51B0 7848 bytes
SHA-256: 1d899fe98a17d674b7be27233d5b769ef84493e8d0deca23f947c748bf5ed2a2

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