Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd64b4775de64735…

MALICIOUS

PDF

35.9 KB Created: 2020-11-09 05:12:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 53f41ae49420d34a71578e6cede8198a SHA-1: bf28bf0594be2404fd1090f54ea81f8b1d33ed00 SHA-256: cd64b4775de6473540685dff9cf53e205c6af070a9dfa5224a872ce0d5ccea7b
66 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple embedded links, including one to 'traffnew.ru', which is likely part of a phishing or redirection scheme. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests an attempt to lead the user to a malicious site. No scripts were extracted, but the document structure and embedded links are indicative of a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://traffnew.ru/123?keyword=graham+elementary+school+mt+vernon PDF link annotation
    • https://ligavovifoma.weebly.com/uploads/1/3/4/5/134522072/7545320.pdfIn PDF document text
    • https://sozipufejelaj.weebly.com/uploads/1/3/4/3/134352325/2515584.pdfIn PDF document text
    • https://tunimesepet.weebly.com/uploads/1/3/1/4/131455680/dozoteg.pdfIn PDF document text
    • https://laxigozi.weebly.com/uploads/1/3/4/3/134361341/vatawumukapabibutoxi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://luvomax.files.wordpress.com/2020/11/31842874506.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee350a32-783f-43ad-978b-00f57090a667/nike_track_spikes_distance.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2cfe859f-7e03-4e17-af1d-53780c69638c/life_of_pi_study_guide_questions_and_answers.pdfIn PDF document text
    • https://fefitaw.files.wordpress.com/2020/11/64939725781.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b278f703-2e50-4d00-b3de-d8ee3275db6b/tirajamuxuwiluz.pdfIn PDF document text
    • https://gizibutabob.files.wordpress.com/2020/11/xanemegoxederosagal.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/32ac99b8-e3d6-4bad-889d-cd680f0d0513/88627525527.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F73 5232 bytes
SHA-256: 6419772f126ac76054ac6663949bc5723e4468c9c22c3fbefb41eaf02d39a750
font_01_sfnt_off00006120.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6120 9904 bytes
SHA-256: a688c3702ce7e8631cb4e4411969f38446e44bac8172deeeeb3fc51068a8a0c0

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