Malicious PDF — malware analysis report

Static analysis result for SHA-256 960f2c99531658ff…

MALICIOUS

PDF

80.4 KB Created: 2021-03-12 07:53:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 04af57891a97c3a4a095a0ad815f047f SHA-1: 75857803e7dc19c52282b47570090fd48e49abe3 SHA-256: 960f2c99531658ffac328cc10cb5991f92dbd8a33fb87e53011e10c1ce20719b
96 Risk Score

Malware Insights

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

The PDF file contains a URL that mimics a search result, likely intended to trick the user into clicking it. ClamAV and ML classifiers strongly indicate maliciousness. While no scripts were directly extracted, the PDF structure and embedded URI suggest a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://pelibifir.ru/award?keyword=ages+and+stages+questionnaire+pdf+9+months PDF link annotation
    • http://nifazafagikoxa.medianewsonline.com/jokorivuruma.pdfIn PDF document text
    • http://bigijawiv.scienceontheweb.net/vijilujovaboba.pdfIn PDF document text
    • http://fofiwafajelerax.sportsontheweb.net/gobugabubezisekob.pdfIn PDF document text
    • https://cdn.sqhk.co/potebuso/HhjcgeX/83034819130.pdfIn PDF document text
    • https://cdn.sqhk.co/putuziboki/RghjbYy/sixafib.pdfIn PDF document text
    • http://vitofemegawe.getenjoyment.net/zivozumanogokimeti.pdfIn PDF document text
    • https://cdn.sqhk.co/tewokozogop/jwtgfhj/41161974411.pdfIn PDF document text
    • http://scrlt.xyz/87895286919w05cq.pdfIn PDF document text
    • http://clientbluebadge.com/7520829639157nu.pdfIn PDF document text
    • http://gakagebir.mypressonline.com/sunitawi.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://liroporuki.myartsonline.com/ropuxipepudurikuvimiwinom.pdfIn PDF document text
    • http://misanedajog.myartsonline.com/how_much_is_a_pulse_oximeter_at_cvs.pdfIn PDF document text
    • https://s3.amazonaws.com/xeruxaxer/how_to_register_as_a_real_estate_agent_in_india.pdfIn PDF document text
    • https://s3.amazonaws.com/pokixovuxik/despacito_song_piano_sheet_music.pdfIn PDF document text
    • http://lewomunenuvi.myartsonline.com/41071655143.pdfIn PDF document text
    • http://gapoxuvopa.onlinewebshop.net/34476085459.pdfIn PDF document text
    • https://s3.amazonaws.com/nowonovege/calisthenics_workout_plan_intermediate.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/christmas_with_a_prince_becoming_royal_full_movie_netflix.pdfIn PDF document text
    • http://gitodake.myartsonline.com/fojubulevifaxisavadako.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/summer_waves_pool_filter_type_d_walmart.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_off0000f7cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7CB 5692 bytes
SHA-256: 9daddaab3911b1eaf9d09856f88b507bf300d578a454b2d68c854c4a7d0ba7ab
font_01_sfnt_off00010afc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10AFC 11436 bytes
SHA-256: 4e0ebb100cb89b0cd853cd0bdc810634be4dafa8ec2cae76b883d31a2120f053

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