Malicious PDF — malware analysis report

Static analysis result for SHA-256 6df7dd3775c6d0e7…

MALICIOUS

PDF

64.3 KB Created: 2020-11-18 06:16:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: e696c6a25953a32bbd3ed54255918b6b SHA-1: d3af6202b92a316a6fa548bd50f23f22738cc2ff SHA-256: 6df7dd3775c6d0e7ce4069d4f229adb77514f6a8173e6aa0e0a66bed564521a7
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 attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing lure designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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=dsc+intruder+alarm+user+manual In PDF document text
    • https://kegilosibumu.weebly.com/uploads/1/3/4/5/134513635/fazev_fupeb_reluzedo_wadanolurusetez.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413714/normal_5faa597dac266.pdfIn PDF document text
    • https://relogeseji.weebly.com/uploads/1/3/0/7/130739887/8b81cd57.pdfIn PDF document text
    • https://zuwumepegowivos.weebly.com/uploads/1/3/1/0/131069935/vevojunalodewa.pdfIn PDF document text
    • https://lifotuvuzaraxur.weebly.com/uploads/1/3/0/7/130775275/468c2.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/bc93c0e8-8c38-4ee4-bd2e-f56bfd111cc7/7425176008.pdfIn PDF document text
    • https://s3.amazonaws.com/zebarufuridorur/jethro_tull_aqualung_song.pdfIn PDF document text
    • https://s3.amazonaws.com/jasipefulaxiduj/nordictrack_treadmill_t5zi_price.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b38531b9-315f-4f5f-affb-50685eea7cc7/mini_friteuse_canadian_tire.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8cb04b2a-ac94-4701-82b0-0011fcfc6f16/the_oldest_living_dog_in_the_world.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_off0000c0ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0FF 5084 bytes
SHA-256: e268aae1c32e17dd67105cc38d79f5fdac894b7e63d6de95b24f28e7f0e16486
font_01_sfnt_off0000d236.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD236 10108 bytes
SHA-256: cb3009cd3044b995e2d1ad47f7944627dfba22162760ac0b7b792a7e85d80ec7