Malicious PDF — malware analysis report

Static analysis result for SHA-256 33d2f3d4142adf65…

MALICIOUS

PDF

75.4 KB Created: 2021-05-25 03:01:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 9fabab5dc2f7146c94387c0a9375e577 SHA-1: 952121cf3786b7d06b43d097b1b99776b6b4e7d3 SHA-256: 33d2f3d4142adf65c21a94ceee674c50eb115ca984be342d84ad2231f839464c
96 Risk Score

Malware Insights

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

The PDF file contains a heuristic indicating an external URI, specifically pointing to 'https://vilenefex.ru/strik?utm_term=shrek+forever+after+full+movie+in+hindi+download+filmywap'. This URL is presented in a context that suggests a lure for downloading content, aligning with phishing tactics. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://vilenefex.ru/strik?utm_term=shrek+forever+after+full+movie+in+hindi+download+filmywap PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4496602/normal_601e13343fb46.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474998/normal_5ff76938930cb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498978/normal_5ffe8544adaf8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410983/normal_5fdbdeb941802.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4445868/normal_605f0cecb15e7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369773/normal_60437af544bd4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470685/normal_5ffc4d187f3f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417675/normal_5fe9d9ee1f429.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372982/normal_5fcea6e45989b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471230/normal_602fab9d6501d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/c58beb59-7779-4af1-a38e-e940ac9fae16/peter_and_wendy_download.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e60954f6-1244-480a-8af3-a4be29f660fe/which_statements_best_explain_how_the_clock_in_the_masque_of_the_red_death_affects_meaning.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f0ba7943-b3b9-4157-a55f-2e04093dde2d/no_cursor_on_lenovo_laptop_windows_10.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5ba79182-4110-4335-abe8-f11b9b01ae90/bose_sounddock_portable_digital_music_system_power_supply.pdfIn PDF document text
    • https://s3.amazonaws.com/netinuwa/pizenava.pdfIn PDF document text
    • https://s3.amazonaws.com/waduzirader/its_kind_of_a_funny_story_book_genre.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/21344c2f-eb2d-40cc-9a33-ca8f862509d9/ejemplo_de_resume_de_trabajo_en_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/wuvaguwikewikivojizatorob.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52707a33-05fd-48c2-b86d-979e2a5838a5/23953479636.pdfIn PDF document text
    • https://s3.amazonaws.com/gujutavevive/1-_chloroethyl_chloroformate_synthesis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/585d42b0-2a8e-47ae-b091-314a84096b93/optiplex_780_video_driver_windows_7.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d33e204c-4b08-4680-921e-a875cb02b971/how_to_fix_leaking_ge_dishwasher.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_off0000e7f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7F3 5524 bytes
SHA-256: 29a929010189d1a35c361c3308001ef6c42bf6820a282edc50d1140c72baa1a9
font_01_sfnt_off0000faae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAAE 10940 bytes
SHA-256: 41ea556d682247905154aadb110c2f8c39dd53fa6cb42d374760faab9645ace1

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