Malicious PDF — malware analysis report

Static analysis result for SHA-256 d95846954712eb26…

MALICIOUS

PDF

68.5 KB Created: 2021-01-22 10:04:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 7d7ea930003179d92d2f7f4063b200e6 SHA-1: 5d17e83b6ddd118ff14e4f6e2ab64218088c5dd1 SHA-256: d95846954712eb26fde2ffac626fec30e67d370d9e529785d3e490578ac67ed4
186 Risk Score

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
  • 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.
  • 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/wb?keyword=marvel%20comics%20stock%20graph PDF link annotation
    • https://gadolelexuzited.weebly.com/uploads/1/3/4/4/134486477/8a6590dee63c.pdfIn PDF document text
    • http://gifozuxozud.22web.org/awal_speaking_english_video.pdfIn PDF document text
    • https://xefimobabizigur.weebly.com/uploads/1/3/1/6/131637686/1443630.pdfIn PDF document text
    • https://busenijerebu.weebly.com/uploads/1/3/2/6/132695513/kawiwivuvumete.pdfIn PDF document text
    • https://xefomivor.weebly.com/uploads/1/3/0/8/130814633/rodun.pdfIn PDF document text
    • https://cdn.sqhk.co/fodibaniwe/7UKVNlp/97364484245.pdfIn PDF document text
    • https://bumiwawewa.weebly.com/uploads/1/3/5/3/135343946/02e68ba7da2d90.pdfIn PDF document text
    • https://cdn.sqhk.co/posogamumut/h0ge0ja/space_engineers_planets_distance.pdfIn PDF document text
    • https://cdn.sqhk.co/fomezawelud/xWbighj/gakunuluvavagize.pdfIn PDF document text
    • https://nafogoke.weebly.com/uploads/1/3/4/7/134776139/xolunofip.pdfIn PDF document text
    • https://fekubikutoji.weebly.com/uploads/1/3/4/1/134108901/05f878f340.pdfIn PDF document text
    • https://cdn.sqhk.co/pivifilogopa/gefLThj/dunlop_ping_pong_table_walmart.pdfIn PDF document text
    • https://kepubaxolawava.weebly.com/uploads/1/3/4/7/134703856/5c30ed.pdfIn PDF document text
    • https://tudexabi.weebly.com/uploads/1/3/4/7/134770635/6096648.pdfIn PDF document text
    • https://tanuroxej.weebly.com/uploads/1/3/4/1/134131309/runiwesev.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://ketoxuxun.epizy.com/far_westerns_swimming_2019_psych_sheet.pdfIn PDF document text
    • http://bijamujijupife.epizy.com/anita_movie_songs_ming.pdfIn PDF document text
    • https://s3.amazonaws.com/futamo/judepawedevijexode.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_off0000cb32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB32 5476 bytes
SHA-256: 6f60ec30e8e3f7fa3f20e377b7ca5890e7d5dc3e2c385653ef6e4045ee9bb446
font_01_sfnt_off0000ddbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDBC 11716 bytes
SHA-256: bf6ea79a87219dafac2518065885bc6d1c9582001fd8aa4f7a22dd17375e808b

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