Malicious PDF — malware analysis report

Static analysis result for SHA-256 6069fca75dd6cb66…

MALICIOUS

PDF

67.5 KB Created: 2020-11-26 14:05:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-03-01
MD5: 8f1ee3c3041977cfce6ad7a0746c6af9 SHA-1: 408c56946c8d9823cce456363a5f9227e7f72489 SHA-256: 6069fca75dd6cb66717e1443ef55469234172b97bb5726581813f56e6ad1dbdf
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://trafftec.ru/aws?utm_term=go+keto+guide+reviews PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4424027/normal_5fb576be596f9.pdfIn PDF document text
    • https://devomejot.weebly.com/uploads/1/3/4/4/134491467/2256541.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456379/normal_5fafec63e2aad.pdfIn PDF document text
    • https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/zuden.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366402/normal_5f89399d6e2f5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366661/normal_5f98a34033fb7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365634/normal_5f86f65d5947c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374980/normal_5f9056eaae192.pdfIn PDF document text
    • https://wurikosaradusif.weebly.com/uploads/1/3/1/3/131384544/linoguwek_zilutevobop_bufino_xetapesivup.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417526/normal_5fadfed7effa0.pdfIn PDF document text
    • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/vedifewopabe_beravagizizas_nimubib_xoxujerev.pdfIn PDF document text
    • https://nevofegef.weebly.com/uploads/1/3/4/8/134851200/virivirijis_senuzonix_vunetuta.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/2f98fa60-58ca-4fac-8643-f3a9552f6d7d/gowozirigelesijakegazuveg.pdfIn PDF document text
    • https://s3.amazonaws.com/tibanepoxilibud/zuvutogizosepizevi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3098e1d8-612f-4dbb-a101-25071a690946/ivory_soap_ingredients_changed.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_off0000caee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAEE 4996 bytes
SHA-256: 5c673cadf61307e6cecb9fe95de7a57b6df0b2cc01721359fc562b8fa7501851
font_01_sfnt_off0000dc1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC1D 10540 bytes
SHA-256: 52a6810a565a1bd5f0e37c7275e34eb8d8a0a74f8a81c29f2073c72450adfe59

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