Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d962a6ca8fd1318…

MALICIOUS

PDF

64.5 KB Created: 2020-11-14 11:49:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 7d4229322c8153148ed6070452fe8322 SHA-1: dede67eb280b17aa944a6228218fda583af509c3 SHA-256: 0d962a6ca8fd1318723a670c1f8b64654a63ab895ca1f302ac71bb9ed268c2da
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://traffnew.ru/strik?utm_term=you+say+weed+eater+in+spanish PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4379731/normal_5faa2648c2a6f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368949/normal_5f8fca02cbc33.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/3dee578c-dd3e-4f2a-8e0f-474e617e4835/38336136059.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bf59fa05-1f44-4d50-b3ef-f5c9216b7a79/pachuca_de_soto_mx.pdfIn PDF document text
    • https://s3.amazonaws.com/subud/bosch_spare_parts_catalogue.pdfIn PDF document text
    • https://s3.amazonaws.com/xezonijida/time_dilation_equation_explained.pdfIn PDF document text
    • https://s3.amazonaws.com/vasofirida/safety_first_car_seat_manual_guide_65.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06067675-be7a-4409-b4c3-4a48d013d051/xelip.pdfIn PDF document text
    • https://s3.amazonaws.com/tofizo/peragirami.pdfIn PDF document text
    • https://s3.amazonaws.com/pazerogasarinu/equidad_e_igualdad_definicion.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_off0000be0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE0D 5172 bytes
SHA-256: 6b4d6aa29e44a2783adeaf185a9cdc615fb5409dec8a7e0212d3e1e2b877d659
font_01_sfnt_off0000cfb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFB7 11840 bytes
SHA-256: 63751a8e8073e05a54bb9a3c011ea3e23eb9e9d4c79b5f38909bdceaee58df61

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