Malicious PDF — malware analysis report

Static analysis result for SHA-256 96b06ed7acd62752…

MALICIOUS

PDF

73.5 KB Created: 2020-11-11 15:37:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-01-23
MD5: 0f91d514999d0820f26c8df3294c583e SHA-1: f5ecd907b2d03a48496096387fefa8549950dc3f SHA-256: 96b06ed7acd6275284fd56d2446380d2f888ad0c9c430c720ab6f8fca7410a30
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://traffset.ru/aws?utm_term=addicting+book+series PDF link annotation
    • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/zuzunegufobir.pdfIn PDF document text
    • https://woxukobu.weebly.com/uploads/1/3/4/3/134392577/6744678.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381344/normal_5f8b56cb16570.pdfIn PDF document text
    • https://sutafufig.weebly.com/uploads/1/3/4/4/134402916/7686a2d4146.pdfIn PDF document text
    • https://taxebalipawixu.weebly.com/uploads/1/3/4/5/134598188/c788f8768233.pdfIn PDF document text
    • https://nunezexivu.weebly.com/uploads/1/3/4/4/134440215/bowuxifiti-jidarujitur-nupujat.pdfIn PDF document text
    • https://lenimupet.weebly.com/uploads/1/3/4/0/134013040/jidibutozokovoson.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/5d99049a-7e7f-48e1-b421-6103dff5c3d2/gozubimegafipowes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/546b746a-4e0b-469d-a4de-9204cae25f9a/sodolifuta.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/501e218e-c95d-4afc-bfb6-c43d105e5155/calameo_tamil_novels_mallika_manivannan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6949c60f-536c-4abf-8fbd-24183bd4f1c7/6327809170.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/218fc631-3101-4de1-97ea-151e72e89d59/bopemawebuwotojevituwu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d554.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD554 4844 bytes
SHA-256: 6400a7dbc96c208032fe01a2d76589e04f6c6ec189ead0b04e0abee13332fb46
font_01_sfnt_off0000e5cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5CD 10576 bytes
SHA-256: 77803d91fec01991e6a4606e0198e5237551bbad710faa32b95cbad9a5acc726
font_02_sfnt_off000109fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109FA 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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