Malicious PDF — malware analysis report

Static analysis result for SHA-256 69a799b2299e413a…

MALICIOUS

PDF

86.9 KB Created: 2021-03-10 17:24:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fb63d485cdb4f7bae5f4bd3e34f7b7d SHA-1: 1833a2c244d2b47d7fc36dcf51a4e935d0e4cbe7 SHA-256: 69a799b2299e413a622284821036dce071803766b9a0c44a182759093129fdef
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains an embedded URI pointing to 'lozipotod.ru', which is likely used to redirect the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to exploit users, possibly through social engineering or by serving a malicious payload.

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://lozipotod.ru/123?utm_term=piriformis+muscle+tenderness
    • https://static.s123-cdn-static.com/uploads/4365583/normal_60055636e91f9.pdf
    • https://static.s123-cdn-static.com/uploads/4365652/normal_5fed925ccb9af.pdf
    • http://comp-arenda.site/certificado_de_origen_eur1_formatohch6b.pdf
    • http://mgacessoria.online/limites_al_infinito_ejemplos_resueltosjwt87.pdf
    • https://cdn-cms.f-static.net/uploads/4494668/normal_6025c39173dc4.pdf
    • http://crawlmqyu.space/fanapujitulikukuwalei6zc.pdf
    • https://static.s123-cdn-static.com/uploads/4382631/normal_5ff9ed47abbfe.pdf
    • https://cdn-cms.f-static.net/uploads/4446500/normal_6044a6d1c3f15.pdf
    • http://osummer.space/summer_infant_gate_assembly_instructionstscl6.pdf
    • http://waxopuvuru.22web.org/how_to_pair_bluetooth_headphones_to_lg_sound_bar.pdf
    • https://cdn-cms.f-static.net/uploads/4469640/normal_6047f9548b572.pdf
    • https://cdn-cms.f-static.net/uploads/4375521/normal_602b529bbb31d.pdf
    • https://cdn-cms.f-static.net/uploads/4473954/normal_6035a0c0434c5.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/e2ced88c-2e47-4229-97e3-9c90a0cf8ebf/suxuwu.pdf
    • https://s3.amazonaws.com/widiku/28769148365.pdf
    • http://resaruxowepu.epizy.com/teaching_of_history_book.pdf
    • https://uploads.strikinglycdn.com/files/32168e80-fbe4-4fc5-851c-eac2dd55fa72/how_to_get_rid_of_acne_dark_spots_fast.pdf
    • https://uploads.strikinglycdn.com/files/66977ff4-2383-45f2-82bd-da5b4297bfaf/60668578984.pdf
    • http://goguvero.epizy.com/karewajepapovi.pdf
    • https://uploads.strikinglycdn.com/files/7b4d82e8-29c5-4ea7-af65-575ab62dcda1/2005_chevy_malibu_ls_price.pdf
    • https://uploads.strikinglycdn.com/files/a6d61902-47c2-4189-b4c9-aa8e6fcd6105/why_is_my_wireless_keyboard_not_connecting_to_my_mac.pdf
    • https://s3.amazonaws.com/jipowumat/vemejasekaboxutixigiv.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000116d4.bin
acfc05d414c75b17c4004da73fb4d614f74b745735c033005912682c32e41bc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x116D4 4956 bytes
font_01_sfnt_off0001279e.bin
7f133fc788c07952a387dadd5478e35e2e31737884e987718a6f90d6a03ed944		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1279E 11880 bytes

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