Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddd84a524459c5d7…

MALICIOUS

PDF

75.0 KB Created: 2021-02-26 03:47:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 53fb05cf0ed8d9e323417846bd709ede SHA-1: 1eae096ff493fd5568fad85dbce1b4749f1731a5 SHA-256: ddd84a524459c5d7b21e0ec150cf41cd74f1668cd04f0d26a8bc243b2cca6496
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous embedded URLs pointing to disposable domains, indicative of a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially malicious content, likely for phishing or scam purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9800

Heuristics 4

  • 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 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
  • 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://bologen.ru/award?keyword=us+stock+market+hours+cst PDF link annotation
    • http://mufutekuson.getenjoyment.net/tissot_racing_touch_manual_espaol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427793/normal_602c471455fb3.pdfIn PDF document text
    • https://cdn.sqhk.co/xafukapewe/YgcoQia/64300949136.pdfIn PDF document text
    • http://copyrighthelp.info/kodak_alaris_s2070_sheetfed_scannerhme7g.pdfIn PDF document text
    • https://cdn.sqhk.co/sexasegavon/thgihfY/38774215867.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414175/normal_600045214e85b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462362/normal_5fffbc5ac9fa8.pdfIn PDF document text
    • http://extrameets.fun/junavokevixibekesm01on.pdfIn PDF document text
    • http://fit-italy.space/taille_minimum_chambre_maisonzqs0k.pdfIn PDF document text
    • http://jedomagisuw.getenjoyment.net/27505822441.pdfIn PDF document text
    • http://fb-ig-copyright.com/xemikexejizixegupedi89x5f.pdfIn PDF document text
    • https://cdn.sqhk.co/zizaratijiga/aAjgciy/45729725197.pdfIn PDF document text
    • https://cdn.sqhk.co/ruzewekafan/cogengf/doweduvijodomega.pdfIn PDF document text
    • http://damvglaz6.xyz/67561293534dkhsd.pdfIn PDF document text
    • http://siwosupegejolop.medianewsonline.com/kiwarego.pdfIn PDF document text
    • https://cdn.sqhk.co/riluvexudeve/heie1DY/virtual_table_tennis_pc.pdfIn PDF document text
    • https://cdn.sqhk.co/nivunufozub/Ethgiht/89626578300.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vujapoguxesak.myartsonline.com/95621734198.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10449 5060 bytes
SHA-256: 488226341a970c4b9cadc0fb6791659243b25fa8c2fff761ffef5daa27aedb1c

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