Malicious PDF — malware analysis report

Static analysis result for SHA-256 f14fbd5202647416…

MALICIOUS

PDF

77.7 KB Created: 2021-03-10 08:57:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: e0f26d6b7951194ba034ec7eb2a850fd SHA-1: deca57e581fd506c84668464cda9e76e1753e7f1 SHA-256: f14fbd5202647416687d6f0fe34832848500c7a7166caab08c3f99b4b75dfc43
96 Risk Score

Malware Insights

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

This PDF document contains an embedded URI that redirects to a suspicious domain, likely as part of a phishing or credential harvesting attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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
  • 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://zajinet.ru/aws?utm_term=what+is+excel+data+analysis+toolpak PDF link annotation
    • http://narovomesizi.medianewsonline.com/giwop.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390660/normal_5feb49db8bd5a.pdfIn PDF document text
    • http://lilozekakotelup.sportsontheweb.net/guvuwo.pdfIn PDF document text
    • http://fisuruwibowin.66ghz.com/friendship_status_videos_telugu.pdfIn PDF document text
    • http://wifusibumamoj.iblogger.org/88749456870.pdfIn PDF document text
    • https://cdn.sqhk.co/denepepunuja/iRkhitl/falesasa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372963/normal_602def7d094d8.pdfIn PDF document text
    • https://cdn.sqhk.co/novigigexuxo/qSiaAhe/dapevixil.pdfIn PDF document text
    • http://dadivasim.sportsontheweb.net/melasinudesozesezifubago.pdfIn PDF document text
    • http://mutinujevax.22web.org/facebook_messenger_apk_4._4._4.pdfIn PDF document text
    • https://cdn.sqhk.co/xederebat/gcMSjfR/jamepubusofixuwat.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/how_to_cite_a_website_in_a_paper_mla_format.pdfIn PDF document text
    • https://s3.amazonaws.com/jifesu/american_dietetic_association_diabetes_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/xufujofaleki/sajobelawobibisaz.pdfIn PDF document text
    • http://xavisijividefo.epizy.com/army_camouflage_pattern.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/xaxudepowobomubewin.pdfIn PDF document text
    • http://nifusotajezunur.atwebpages.com/nursing_care_plan_for_postpartum_hemorrhage.pdfIn PDF document text
    • http://sogivuwe.onlinewebshop.net/how_to_use_crackle_glaze_ceramic.pdfIn PDF document text
    • https://s3.amazonaws.com/tanapilamaxi/waring_pro_double_waffle_maker_repair.pdfIn PDF document text
    • https://s3.amazonaws.com/mesixadelomomo/dedifurerugikev.pdfIn PDF document text
    • https://s3.amazonaws.com/jebupofedijakuk/java_code_file_from_server.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/gopagenebevazezunowoxike.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/57559639607.pdfIn PDF document text
    • https://s3.amazonaws.com/pegozegi/15858371583.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_off0000f14d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF14D 5312 bytes
SHA-256: fd271d870345892db644ef6188e7b561e8aaacb6ba8335a82b94301935e719ac
font_01_sfnt_off00010373.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10373 11076 bytes
SHA-256: 35bc0236d551ff1894cb7e07cd0754463b99be48ab00264cc41293818e6ab765

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