Malicious PDF — malware analysis report

Static analysis result for SHA-256 071d8e45a1c2e019…

MALICIOUS

PDF

69.2 KB Created: 2021-02-07 03:55:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 1c6580f077bce3d1db1775db42168154 SHA-1: 80b16cde5585d3253788e33d39cf82e2cb3d95f2 SHA-256: 071d8e45a1c2e019d185169e5141a05a6fb2da47497e0918abdc4d950cc1f30b
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://leonvi.ru/aws?utm_term=arewa+gospel+music PDF link annotation
    • http://odebayitrafikhizmeti.com/mathsbox_55_problems_answerswumxr.pdfIn PDF document text
    • http://huseyincanx.com/30008071123xv5b3.pdfIn PDF document text
    • https://cdn.sqhk.co/sofizagumup/jekTKif/11592192624.pdfIn PDF document text
    • http://lirelejavebot.iblogger.org/54810604275.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486192/normal_60082e4129366.pdfIn PDF document text
    • http://gemobaraza.iblogger.org/xumelarelojaguso.pdfIn PDF document text
    • http://julubavixukab.66ghz.com/tilomukefe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412895/normal_5feeb354e7f45.pdfIn PDF document text
    • https://cdn.sqhk.co/dofexoxev/gipYoTZ/zuvibofa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gurupixabogivaz/nuwidob.pdfIn PDF document text
    • http://xuduzunubedi.rf.gd/lived_in_bars_sheet_music.pdfIn PDF document text
    • http://nawonuzegajosi.epizy.com/dibond_fabrication_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/juwofuxufijup/gotesas.pdfIn PDF document text
    • http://sitiwaruto.rf.gd/fake_caller_id_apk_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/nevowimo/makoxepotokiv.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_off0000d3f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3F4 5332 bytes
SHA-256: d18d20d93da7f4ecc0b660b95535502d3a6c6a40020cda4e299513c85fdb4c59
font_01_sfnt_off0000e61a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE61A 10040 bytes
SHA-256: 88361bb7aed612cc31d45be7c276185056e5143482627e7de6db30ba4b4c82ce