Malicious PDF — malware analysis report

Static analysis result for SHA-256 61f1e22ee2a182d4…

MALICIOUS

PDF

79.2 KB Created: 2021-03-03 03:29:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: a8c505939f2813d69d4f02c5f1f1df1a SHA-1: 1a0a1810d70b7bf89cb14e03723d374cb1f5e396 SHA-256: 61f1e22ee2a182d469084d17381be4c885b993e89257bc84cc6145fe952ac41f
126 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are consistent with a phishing lure designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://soxebez.ru/award?keyword=farberware+air+fryer+toaster+oven+chicken+recipes PDF link annotation
    • http://faxixovojaja.sportsontheweb.net/piwaluzib.pdfIn PDF document text
    • http://kixurox.getenjoyment.net/jabivibewuvovaxoloxoji.pdfIn PDF document text
    • http://formulamoney.top/bean_1997_movie_720pokblh.pdfIn PDF document text
    • http://kapovulup.mywebcommunity.org/14888721053.pdfIn PDF document text
    • http://tezijexipilimo.getenjoyment.net/1_8_pulgadas_a_cm.pdfIn PDF document text
    • http://simopuvoramawu.mywebcommunity.org/is_anker_a_good_brand_reddit.pdfIn PDF document text
    • http://sunipemumax.66ghz.com/canadian_lalonde_report.pdfIn PDF document text
    • http://reflectionss.space/joxevogafumunukq953m.pdfIn PDF document text
    • http://wordsideget.top/wizobumizurirurisokukunegbro0v.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://vagawujososoje.epizy.com/how_do_you_make_simple_syrup_at_home.pdfIn PDF document text
    • http://xomapagovujux.atwebpages.com/how_to_use_the_sodastream_spirit.pdfIn PDF document text
    • http://gafodix.myartsonline.com/rudawubaf.pdfIn PDF document text
    • https://s3.amazonaws.com/nakuzafol/lafofefosikevupebori.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/film_arbat_2017_sub_indo.pdfIn PDF document text
    • http://vigexosav.myartsonline.com/lozodegatazego.pdfIn PDF document text
    • http://jabejanaboz.atwebpages.com/21011431386.pdfIn PDF document text
    • https://s3.amazonaws.com/bulolimepol/solidworks_2015_and_install.pdfIn PDF document text
    • https://s3.amazonaws.com/putelekireza/block_ads_android_apps_without_root.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_off0000f72c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF72C 5484 bytes
SHA-256: 031b55302cc740c2798679ce9bdaacd507a22d34a586b78a9b71665e211448d8
font_01_sfnt_off000109e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109E7 10952 bytes
SHA-256: 8f3688baa956a9a39b285741f0abfb734513f026a7d06f7460a8f58b051f2961

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