Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa847bb9411eca67…

MALICIOUS

PDF

75.0 KB Created: 2020-11-09 19:42:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-06
MD5: d39dce03ea398d478403f3a508045f18 SHA-1: 5eb6a7a3f753d7a88f35d2709d6080fb1e933cbc SHA-256: aa847bb9411eca67b814189a45788eef668e2ba72d65f1c0b9cd456eccc19d07
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://trafffi.ru/123?keyword=manual+stretching+exercises PDF link annotation
    • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/6db18745e1ce09.pdfIn PDF document text
    • https://sazimopugis.weebly.com/uploads/1/3/4/6/134611647/7f43e86.pdfIn PDF document text
    • https://dazowuxope.weebly.com/uploads/1/3/4/3/134319454/patukofivigo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410418/normal_5f9324644264b.pdfIn PDF document text
    • https://zojokoladateru.weebly.com/uploads/1/3/4/4/134497877/3f67966f10ddd.pdfIn PDF document text
    • https://pixipesigogod.weebly.com/uploads/1/3/4/3/134370637/908c3.pdfIn PDF document text
    • https://bepugodaz.weebly.com/uploads/1/3/4/2/134236138/3102725.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376625/normal_5f8d6a109c3d7.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/49507ab6-9aee-4c28-8749-adae10e25db2/50736664060.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9c930b37-0348-43cc-80c9-7995693f01e5/49253723247.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e74c72fb-3461-4b87-baa5-815eb1b1212b/vigorol_liquid_hair_relaxer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4743fc5b-e6c9-49b3-812a-ba8922c7f30a/1261665481.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca1e0c6e-4245-4fe0-9755-8768c0fa3104/15550461854.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cdb667f-a60f-41bf-8005-af3acf13328f/gijivorimaxedebewibuw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/01e48820-6142-40eb-ab23-5e785df6cd33/dasanidijiwabaxifimadexe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cdbf8932-bacf-49bd-8e48-9770950c6be3/69486729199.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b9f143f2-b4d4-4998-a0eb-eae8f618bdce/zomuratikezejav.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_off0000d4e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD4E9 4908 bytes
SHA-256: b23fd2128d6286175c1b5d3fc15407fd800c5b35ffcaeaa1f609002b195a94f4
font_01_sfnt_off0000e58e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE58E 13028 bytes
SHA-256: 089c779d168eecc4f023c8290e04466baf6b563ed1b410e9c93b29216b25d545
font_02_sfnt_off00010f53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F53 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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