Malicious PDF — malware analysis report

Static analysis result for SHA-256 e080ec5640d86184…

MALICIOUS

PDF

65.7 KB Created: 2020-11-25 23:57:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 80067513dd9e7fde39177ae6989312be SHA-1: 1c211f9ffafe930b90d895e399cb576b67380865 SHA-256: e080ec5640d86184cbfb1eb0e4ca1f54d060bca4d298af148e35287fde5bede7
244 Risk Score

Malware Insights

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

This PDF file contains numerous links to external websites, masquerading as a download for the 'Daft Punk Random Access Memories' album. One of the primary links directs to a known malicious redirector. The file's structure and extensive link farm suggest it is designed to drive traffic to potentially malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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=daft+punk+random+access+memories+album+download In PDF document text
    • https://zofisafewo.weebly.com/uploads/1/3/4/5/134508124/4fcd2c32.pdfIn PDF document text
    • https://fepirajoruvizu.weebly.com/uploads/1/3/4/3/134311883/ccdb42.pdfIn PDF document text
    • https://zuxuzesis.weebly.com/uploads/1/3/1/4/131438019/1876893.pdfIn PDF document text
    • https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/lenilowowedal.pdfIn PDF document text
    • https://giximanuv.weebly.com/uploads/1/3/4/5/134526051/6123734.pdfIn PDF document text
    • https://fuwozubasuzej.weebly.com/uploads/1/3/4/4/134473550/d82f5.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/73c0c9a5-c5d0-4e14-a06e-46531aed9a9f/56246097715.pdfIn PDF document text
    • https://s3.amazonaws.com/fusidejebi/vixasewisowagitijobupidoj.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/daf39e89-a042-4b2f-ba44-341c9fe05709/difisofanowajiwiseni.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1adf7af9-d168-42bc-8a14-8fde56db7079/paul_rossi_artist.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5e3c2466-54e0-4a8b-bf0e-33639a69dfff/lazzo_gaming_desk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3a2f351e-c185-4603-9e0f-c7b4bae43839/kutolewozosoruxowoferu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45863917-6379-4d90-84e6-da3895c33ed9/vadizozipa.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_off0000b5b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB5B4 5596 bytes
SHA-256: be2532ce9ad467c8bf2a14794be55b2a055923f69dbcdfce813e12dddbff9cf4
font_01_sfnt_off0000c8c2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8C2 14992 bytes
SHA-256: 234033478a75c3671c1b04272da52d539a350c2f2b1a282f7c9b5eb604d57d8e

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