Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7913869110872e…

MALICIOUS

PDF

64.4 KB Created: 2020-10-15 12:06:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-18
MD5: 4dde8a8a1c3e04d3f4fb57f6a85c7c8c SHA-1: 9dbbe936623533c3b8b1a514ec6da4ec8ce39a5c SHA-256: cd7913869110872ea61239710c07275726d01a05d274ab002c5cb7fdf8ffb7d3
184 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.
  • 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://gettraff.ru/123?keyword=quick+shortcut+maker+apk+download+v.2.0.0 In PDF document text
    • https://dejuxowiku.weebly.com/uploads/1/3/0/7/130738850/1259929.pdfIn PDF document text
    • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/sijuwoxujupid.pdfIn PDF document text
    • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/lukuxaluk.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/1cf22.pdfIn PDF document text
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/ligewajinaxi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365646/normal_5f8712d7b1c32.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365562/normal_5f879e82ae367.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367650/normal_5f8760469e7d3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369318/normal_5f87c28c274d1.pdfIn PDF document text
    • https://site-1037909.mozfiles.com/files/1037909/57796769467.pdfIn PDF document text
    • https://site-1042830.mozfiles.com/files/1042830/xuxapodebuniwidonidoxe.pdfIn PDF document text
    • https://site-1040339.mozfiles.com/files/1040339/jovibowoniwilosisarol.pdfIn PDF document text
    • https://site-1039201.mozfiles.com/files/1039201/46467626345.pdfIn PDF document text
    • https://site-1041085.mozfiles.com/files/1041085/saruxusepunuberawi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367007/normal_5f87ed7dcf2f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367941/normal_5f8765c47867d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368759/normal_5f879ab0a1077.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/f4f5948a-5e30-4c6b-8488-a2cef5010892/18992559606.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec8e0495-5406-4bea-905d-6eb093c08f5d/kuwimigidi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e77973a7-ef4c-467c-ba40-528db6a04351/55223647000.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/44c6ecf4-bf25-4191-9fc6-cb1662a6458c/95453270511.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b20e6b66-11cb-4591-a189-ec4676f00f9c/zadesaxefejiwumutuxilamo.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_off0000ae69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE69 5780 bytes
SHA-256: 73e25c6194ea255c5a845a8f965652d0da5ab94d15221d6ba3c59a1bfe7af217
font_01_sfnt_off0000c200.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC200 10528 bytes
SHA-256: a44cafc31ed1bea2016dae4f3f059de3aafcec7104ffbe946c9b952cd901f17c
font_02_sfnt_off0000e5a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5A9 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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