Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5007bf36698966d…

MALICIOUS

PDF

84.3 KB Created: 2021-03-23 18:57:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 62fde4e0b1a0b15adb543dc98236a3c8 SHA-1: ae5cde9518e1f28602b5479a21e60eb0cbec6987 SHA-256: f5007bf36698966d414b9f0ce59e85f9b580c949daba1165c45fce399df6511a
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URI pointing to a suspicious URL, likely intended to trick the user into downloading further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's part of a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9970

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://nipisod.ru/award?keyword=obc+caste+list+in+tamilnadu+pdf+in+tamil PDF link annotation
    • https://dupekimelenidok.weebly.com/uploads/1/3/4/3/134310709/741dead98620e2.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvepiwedo/nX75wNL/corrugated_gi_sheet_standard_length.pdfIn PDF document text
    • https://cdn.sqhk.co/wosipuvetot/Xjjulie/cheap_mountain_bike_shoes_flats.pdfIn PDF document text
    • https://telidububiz.weebly.com/uploads/1/3/1/4/131452987/morosab_telajar_viwatulirejaju_somajel.pdfIn PDF document text
    • http://shoppermarket.online/14789640987dhou7.pdfIn PDF document text
    • http://akmurzina.com/11308346960muj0n.pdfIn PDF document text
    • http://marketitaly.pro/maze_runner_free_online7m9n4.pdfIn PDF document text
    • http://meetsol.xyz/4077129773x8enp.pdfIn PDF document text
    • http://hesap-al-sat.com/bevesixamefikoj86usc.pdfIn PDF document text
    • https://tafejopaz.weebly.com/uploads/1/3/4/0/134012310/riweg.pdfIn PDF document text
    • http://kfnwejfnkwheklf.space/yiruma_maybe_sheet_musicjhcxq.pdfIn PDF document text
    • http://banki-internetowe.com/rutozaloxudrqy1d.pdfIn PDF document text
    • http://glossywp.online/gabadasareterimexexu7qjkt.pdfIn PDF document text
    • https://jotafatebukuzeb.weebly.com/uploads/1/3/0/7/130776674/nazufoxenelo-dilivapev-guvoto-zibavabubumuk.pdfIn PDF document text
    • https://cdn.sqhk.co/bokupajokim/b7ieggG/seven_deadly_sins_grand_cross_escanor_box_code.pdfIn PDF document text
    • http://liolika-rsya.ru/the_seven_wonders_of_the_ancient_world_worksheet_answersn02b8.pdfIn PDF document text
    • https://cdn.sqhk.co/jakufomego/WOSgFW5/11426080631.pdfIn PDF document text
    • https://wexivupesowapab.weebly.com/uploads/1/3/2/7/132712225/vuvusosopegew.pdfIn PDF document text
    • https://nugukijozagesek.weebly.com/uploads/1/3/0/7/130739433/senoregejereb.pdfIn PDF document text
    • https://winomumamo.weebly.com/uploads/1/3/1/0/131070375/9a1d8ddfb.pdfIn PDF document text
    • https://rapinawenag.weebly.com/uploads/1/3/0/9/130969945/pekisonanurob.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/rafiralexezol/muzegilejirevuv.pdfIn PDF document text
    • https://s3.amazonaws.com/zugutixe/napit_eicr_form.pdfIn PDF document text
    • https://s3.amazonaws.com/rexogeguxosix/46595711888.pdfIn PDF document text
    • https://s3.amazonaws.com/rixevozajixezos/40109226740.pdfIn PDF document text
    • https://s3.amazonaws.com/bufexa/father_s_day_tie_card_template_printable.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_off00010c5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C5A 5372 bytes
SHA-256: 92f2eb7d77fcaed189285e86f579115986b0a6e98cb25810ca0d438ab17bd22d
font_01_sfnt_off00011e8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E8B 10216 bytes
SHA-256: 7cb23f8162b5e30b3b35c1013f33cead9128acc8584f6653605ed954145cbafd

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