Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c22a212b724f9c7…

MALICIOUS

PDF

73.2 KB Created: 2021-02-21 14:35:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 1480a11ac22ee2e83465ae0144769109 SHA-1: 3ab6082d0aa04884554d6235daa205503f142dfb SHA-256: 6c22a212b724f9c77f4ef843c437ce3523d99e6c1b093e0d35e9e4e8eb8e7d3a
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://crophysi.ru/aws?utm_term=is+adt+better+than+brinks In PDF document text
    • https://jedawakebikota.weebly.com/uploads/1/3/4/7/134715316/xoxoba_temafipenupalul_getivaga.pdfIn PDF document text
    • https://cdn.sqhk.co/fuwuwoki/LWjgCjd/war_of_kings_europe_full_album.pdfIn PDF document text
    • https://sinekamawo.weebly.com/uploads/1/3/0/7/130776883/b94b5983d961.pdfIn PDF document text
    • https://debinezituxi.weebly.com/uploads/1/3/4/3/134339783/8319947.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365547/normal_6004b500d1fc5.pdfIn PDF document text
    • https://cdn.sqhk.co/nulegudup/SOhcQTd/mercantilism_definition_apush.pdfIn PDF document text
    • https://notususapi.weebly.com/uploads/1/3/4/0/134012365/2385559.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447906/normal_5fc9e38a48ec0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4529893/normal_5fda4642e4eca.pdfIn PDF document text
    • https://cdn.sqhk.co/jukelifawap/wggfFUK/gurukul_defence_academy_in_sikar.pdfIn PDF document text
    • https://sagagokibifaku.weebly.com/uploads/1/3/4/6/134625973/9590584.pdfIn PDF document text
    • https://xudinenudomojuv.weebly.com/uploads/1/3/4/3/134356320/dakipojesaseza.pdfIn PDF document text
    • https://xolesozetenosox.weebly.com/uploads/1/3/1/0/131070434/a588f.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/farowug/86328169199.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/philippine_accounting_standards_2018.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_off0000e1f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1F6 5020 bytes
SHA-256: 018e7a609b271ee1bdb267734074490c3074a266a9ec99339e0dd5f78eb406b2
font_01_sfnt_off0000f2fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2FA 10780 bytes
SHA-256: a4b19895e7e7cf86421d3fb6278a828b0c905b68505a94d4fb7a33185ccf4edb

Open this report in the interactive analyzer, or submit your own file for analysis.