Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2a817f9ae5eafe7…

MALICIOUS

PDF

70.5 KB Created: 2021-02-10 08:41:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 04ed1a6473e1be1dfb28abd1ab08e742 SHA-1: cd20e48928a22ae2da550d53d78adaa2908639a3 SHA-256: b2a817f9ae5eafe7980a50543506aaa310bf58b7e17c7954a35b27daab061ea0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/aws?utm_term=view+browsing+history+android PDF link annotation
    • http://muzhskoizhurnal.ru/6456796565jlipy.pdfIn PDF document text
    • http://excellent-spb.ru/864025179837v2wc.pdfIn PDF document text
    • http://creamwalls.online/95879789346512hs.pdfIn PDF document text
    • http://dietnatur.fun/72258387882h0y5b.pdfIn PDF document text
    • http://bobr.space/33350732350ilczw.pdfIn PDF document text
    • https://menudobuwowewil.weebly.com/uploads/1/3/4/7/134765252/pitolano-wokotekewusazur-galasuvifuze-sojabiwuxaw.pdfIn PDF document text
    • http://hightrade.club/getabirikarojegeeb7l.pdfIn PDF document text
    • https://cdn.sqhk.co/fevivesuxofo/i9gdOgf/the_clark_sisters_movie_soundtrack_apple_music.pdfIn PDF document text
    • https://cdn.sqhk.co/poronujefino/g6pjbhi/mcdonald_s_brooklyn_ny_11207.pdfIn PDF document text
    • https://kixorixoti.weebly.com/uploads/1/3/0/7/130740187/duxesikidebax_metum_fuzizu.pdfIn PDF document text
    • https://wavoxodasamemat.weebly.com/uploads/1/3/5/3/135348105/nubiriz.pdfIn PDF document text
    • https://cdn.sqhk.co/kanedufopuma/VRR2J5F/wafepeli.pdfIn PDF document text
    • http://mon-cmbretagne.com/download_iqiyi_videos1jrm4.pdfIn PDF document text
    • http://sexedate69.site/denat4zp35.pdfIn PDF document text
    • http://fasad-dom.site/endometriosis_pain_treatment_guidelines0bv0s.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d674.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD674 5352 bytes
SHA-256: 12acdc02d1ec1e4e2b7ebd5f35af0c46bf5dcf2710ea3d3de0ddd7f0178c1967
font_01_sfnt_off0000e8b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8B4 10208 bytes
SHA-256: c49a9a0ded5b7a039091035e8e389e1489be863be212815e18ee223aeeaa9c62