Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5be27e23f2c24cc…

MALICIOUS

PDF

69.1 KB Created: 2020-12-15 22:07:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 46f431dc0bbe28fe9ef4bc1b3c0ee657 SHA-1: 72d516c859ad4acc93b7c444f6286562255320f8 SHA-256: b5be27e23f2c24cce44a04c526e1514ea902826a48d55e0d303d52d0c141c295
154 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://gettraff.ru/123?utm_term=dead+rising+3+collectibles+guide'. This indicates the document's primary purpose is to lure the user to a potentially harmful external resource. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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/123?utm_term=dead+rising+3+collectibles+guide In PDF document text
    • https://cdn-cms.f-static.net/uploads/4443326/normal_5fb99be45afff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484999/normal_5fd70c8d8da76.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wogikokuzotaxa/simple_sonic_worlds_engine.pdfIn PDF document text
    • https://s3.amazonaws.com/rejiner/sarcastic_answer_to_are_you_okay.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/49901018-85fc-491e-bfd6-6cda67f923a6/wuzuki.pdfIn PDF document text
    • https://s3.amazonaws.com/redegelesibif/quartz_liquid_glass_data_sheet.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1b82e11f6a419848b6c75/t/5fc491f8145a8629dc42a832/1606717945391/61348756799.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7b08f2a9-25eb-46d3-afd4-3da398ca3bd9/91912721713.pdfIn PDF document text
    • https://s3.amazonaws.com/pukiza/kiwobilozekabujixobawuxo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/497bcbed-34fb-42e7-9639-377dac293088/awareness_the_perils_and_opportunities_of_reality_by_anthony_de_mello.pdfIn PDF document text
    • https://s3.amazonaws.com/lupebesu/dell_precision_7540_specs_sheet.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc13cf30a2757459be51ac1/t/5fc37edabc819f1cf4459b61/1606647520529/wivakuges.pdfIn PDF document text
    • https://s3.amazonaws.com/kaxukok/24096940758.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_off0000d01d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD01D 5408 bytes
SHA-256: b23c785fc724d680bf38d572dcad34ebd59b7860e14b4f6af1c9ba2ea21d91de
font_01_sfnt_off0000e292.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE292 10912 bytes
SHA-256: ed9bd937799957ec95cb8cd47fc6f5d0524d1fad92dbeecf1db0c7819d061d8d

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