Malicious PDF — malware analysis report

Static analysis result for SHA-256 e113ea0a88783698…

MALICIOUS

PDF

44.7 KB Created: 2020-10-15 22:40:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: fdc93449aa27157eb9444f331860e9b6 SHA-1: 5e3ca67b51a2e83a8edad6709dc48f2de4de1c4c SHA-256: e113ea0a887836987667558b061edc883b83c579bde5364c3d81df0d9fc6be82
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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://gettraff.ru/123?keyword=routage+ospf+cisco+pdf In PDF document text
    • https://cdn-cms.f-static.net/uploads/4365657/normal_5f87001f5fadd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365620/normal_5f870e9376d95.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371240/normal_5f88a4a20b679.pdfIn PDF document text
    • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/wikemagebagimamaruki.pdfIn PDF document text
    • https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/zuzobokodetaxuj.pdfIn PDF document text
    • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/93049f265a0000.pdfIn PDF document text
    • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/d1ee3c84.pdfIn PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/7971455.pdfIn PDF document text
    • https://site-1038792.mozfiles.com/files/1038792/40290599140.pdfIn PDF document text
    • https://site-1048574.mozfiles.com/files/1048574/kakirumosizenowir.pdfIn PDF document text
    • https://site-1043649.mozfiles.com/files/1043649/74008273430.pdfIn PDF document text
    • https://site-1039147.mozfiles.com/files/1039147/tumulux.pdfIn PDF document text
    • https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/wapugepenoziz.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/6431815.pdfIn PDF document text
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/likanutavorolebonat.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/e0ac68ce-e3b8-486d-a03d-e5265cf2753b/dirowolanaved.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/382050d3-02b6-46e6-88f6-9c87823f6a51/witadoxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/71a03a68-fd7a-4815-a52b-8d14baf85770/mufineno.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000646a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x646A 4976 bytes
SHA-256: 352586b18c4780b307c26df8c096cbd40bcf318083e661b0afcb3159431111fe
font_01_sfnt_off00007576.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7576 10244 bytes
SHA-256: c387d0f85474394be694ab2431fa3d554d3fd50349451eea948aa1d8d7f5a3b2
font_02_sfnt_off000097b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97B4 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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