Malicious PDF — malware analysis report

Static analysis result for SHA-256 b296bc3f4c5e4256…

MALICIOUS

PDF

66.5 KB Created: 2020-11-11 22:22:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 001781543388dc065d33c8da79e3a529 SHA-1: ed427d28e930acc0c13cd0696c9d3ca42d878769 SHA-256: b296bc3f4c5e425649b4498812c34324628b594a3cd0f01f76e8ab21d1e2f40c
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics point towards a social engineering attack disguised as an order form.

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://cctraff.ru/aws?utm_term=albedor+order+form In PDF document text
    • https://cdn-cms.f-static.net/uploads/4374198/normal_5f903ac174c60.pdfIn PDF document text
    • https://sivisobimiji.weebly.com/uploads/1/3/4/7/134754783/fevidoran-jirisokug.pdfIn PDF document text
    • https://kigivalivago.weebly.com/uploads/1/3/4/3/134337689/89deb967.pdfIn PDF document text
    • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/zedoruno_raponebunizoze.pdfIn PDF document text
    • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4503832.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414498/normal_5f9e72cd8124c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390643/normal_5fa00c5b71221.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492915/normal_5fabfc016c7a0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446649/normal_5fa162c1e9a68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367271/normal_5f8a56ae684d6.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://s3.amazonaws.com/bejideba/alpha_epsilon_pi_cornell.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_off0000be0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE0C 4348 bytes
SHA-256: 85b8fb46308291eb29170d16a86f8ad1353b1271641f42d586b4eaffde1709fa
font_01_sfnt_off0000ccc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCC2 10124 bytes
SHA-256: 091033ded5e8192a33fa513937d0f6b6e504dcd72339fcb83e251749788d9d85
font_02_sfnt_off0000ef23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF23 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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