Malicious PDF — malware analysis report

Static analysis result for SHA-256 207bf13ff37724c9…

MALICIOUS

PDF

78.5 KB Created: 2020-11-10 09:39:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: ed7c8284812e2f5b5cecc8561172d5d3 SHA-1: d3265a2dfd0e3352c7c4d7f70d659e099c99ee9a SHA-256: 207bf13ff37724c912b0ae50c8964fb8f1a28a6257ff0910cbfa115d7332e47a
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://trafffi.ru/123?keyword=deka+battery+charger+instruction+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4376600/normal_5f9d575a53c85.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368235/normal_5faa02ae13104.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401546/normal_5fa6f9b893853.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419235/normal_5fa624faa17b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407733/normal_5f980a1b77d10.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/02c38e99-5797-41a9-8686-18d96cd7f26a/watch_legend_on_123movies.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/albigen_papers.pdfIn PDF document text
    • https://s3.amazonaws.com/tipakalif/dodgers_world_series_odds.pdfIn PDF document text
    • https://s3.amazonaws.com/laradusa/74059358493.pdfIn PDF document text
    • https://s3.amazonaws.com/jamokaroxoj/nifaboteropekixepi.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e819.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE819 5400 bytes
SHA-256: f3b95411da4df22a61f3b450bde2730bce4c114f492052baa026f385a8538972
font_01_sfnt_off0000fa5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA5C 10752 bytes
SHA-256: 5163b4132e091b570e857be881c737965ad179da6683dbca17addbd67df5c706
font_02_sfnt_off00011edf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EDF 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c