Malicious PDF — malware analysis report

Static analysis result for SHA-256 fae8d8f17e82f63f…

MALICIOUS

PDF

39.7 KB Created: 2020-09-18 04:27:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c258108caf170e0649a86452bde66f9f SHA-1: 9b12d86c57648a3c3e1ab6859c5b938f9655c63f SHA-256: fae8d8f17e82f63f83f887fa40c6ef099d311ccc6833bfdb87c7af2a5ef40118
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as a kennel review, aiming to lure users to a harmful site. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to distribute or redirect. No scripts were extracted, limiting the ability to determine further payload delivery or persistence mechanisms.

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://ttraff.me/wix?keyword=paradise+kennels+reviews In PDF document text
    • http://files.machenenterprises.com/uploads/1/3/0/8/130814055/4917520.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://366d9636-a971-4274-9b59-b996cc296607.filesusr.com/ugd/d162e3_2b18b11f37174b6eb48572a0d7d4d6ab.pdf?index=trueIn PDF document text
    • https://75e5847e-248c-4ad2-998a-ec1ccba623e2.filesusr.com/ugd/81cd61_6e4516367cf64672a38010321ac3c1c5.pdf?index=trueIn PDF document text
    • https://682e8d02-e8d4-464c-88f2-02afe3dbc75c.filesusr.com/ugd/0dd040_759b440004e144c5ba0b453268d8f448.pdf?index=trueIn PDF document text
    • https://29cf3c82-660a-46a3-92ec-dede362c2a2d.filesusr.com/ugd/681527_25f6f5e4710d40e3a145f18c35bd3822.pdf?index=trueIn PDF document text
    • https://355bfafc-d520-4743-874a-256e4f285288.filesusr.com/ugd/98e2de_008bd681a595400c90356302fa491b41.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4853/3144/files/gekejadinedobeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1021/8391/files/15591728180.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7309/3288/files/61490946710.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8465/1423/files/98265198645.pdfIn PDF document text
    • https://9642ee5d-0002-4805-8e7d-34d03b638fa6.filesusr.com/ugd/c83fdb_1a6cce916bbe426fbde52ac399e95579.pdf?index=trueIn PDF document text
    • https://9ecdd373-26b4-423c-83ba-e42a2029a670.filesusr.com/ugd/a4ea6c_a2dc636f11af4dc7a0b691c72b64c8d8.pdf?index=trueIn PDF document text
    • https://f90d4dfb-b3d9-453e-9eca-b50e6bcaa000.filesusr.com/ugd/113e89_47420cc086a240f79507c95199b8098b.pdf?index=trueIn 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 1

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E88 5036 bytes
SHA-256: 4dca29e6c4657f58f82a1113ef8ada846a6406aed5c28061052f8dbe984e3252
font_01_sfnt_off00006fcd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCD 10028 bytes
SHA-256: 4f751d56bb1addf33bf9d260fba96beddaa3b29337aa4f03c801284ecb130e07

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