Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f20ad1ce4ec3b7…

MALICIOUS

PDF

73.6 KB Created: 2021-03-01 11:17:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 6d81b0c267f69e6d3902b99b9dfb8d6e SHA-1: 0cf7c514b597aa49c84671ff55ae5b72275c2e03 SHA-256: 02f20ad1ce4ec3b720ac67609fc9006ea3ff1d91fa811d5a91dabf77295273c1
126 Risk Score

Malware Insights

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

The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable domains, suggesting a link farm or redirection mechanism to deliver a malicious payload. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM indicates a deliberate attempt to create a deceptive link structure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • 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
  • 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=gramos+de+harina+a+mililitros PDF link annotation
    • https://wimafepe.weebly.com/uploads/1/3/5/3/135326366/mumirojuvete.pdfIn PDF document text
    • http://ogranicbio.space/208950630598fak9.pdfIn PDF document text
    • http://pefiworawodud.mypressonline.com/11775731994.pdfIn PDF document text
    • https://sawuzirerepobod.weebly.com/uploads/1/3/4/0/134040369/4701007.pdfIn PDF document text
    • http://poxumanavofeboz.scienceontheweb.net/48917388927.pdfIn PDF document text
    • http://immortal-sho.club/ikea_uk_catalogue_2018s8wxf.pdfIn PDF document text
    • http://metoxegid.mygamesonline.org/10896023846.pdfIn PDF document text
    • http://dommasters.site/hemophilia_a_treatment_guidelinehfd2j.pdfIn PDF document text
    • http://citruss.space/33219511902n99wg.pdfIn PDF document text
    • http://fabulouss.space/luzajewofifavupefv7vig.pdfIn PDF document text
    • http://gemubanabugawa.mypressonline.com/ruin_and_rising_read_online.pdfIn PDF document text
    • https://tazabojadikeze.weebly.com/uploads/1/3/4/6/134648043/df214.pdfIn PDF document text
    • http://rocketdocs.us/natakekexutolepesimvroaj.pdfIn PDF document text
    • http://gladkoe-telo.xyz/tebijiwonawarezoravz1z1t.pdfIn PDF document text
    • http://stassikorskyi.com/best_free_multiplayer_games_on_steam_2019v20qv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://porilebunenagu.rf.gd/shiva_cartoon_full_hd_movie.pdfIn PDF document text
    • http://fuvarijes.atwebpages.com/44217683520.pdfIn PDF document text
    • http://viwuwijagabote.myartsonline.com/lijazivopowat.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_off0000db16.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB16 5096 bytes
SHA-256: 261617e4e7350491c90862b711ec90d0c34b5d5c7cb1827675c1caf736a4ed5d
font_01_sfnt_off0000ec39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC39 14844 bytes
SHA-256: 43069b89bd387e76cb3ced9d92ad21645d323f60dd0f35db8454e3f075925acd

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