Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1b5a048e5953141…

MALICIOUS

PDF

83.8 KB Created: 2021-04-01 10:04:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 012524519cd1bc1f65360054a3b8acfb SHA-1: 24ce8c0ee30e01b4747a3dcca53315c83b9ceec7 SHA-256: d1b5a048e595314159d8a6fcf0b08915b10d7c2846ae61544e817e84d27fe1ae
96 Risk Score

Malware Insights

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

The PDF file contains embedded URLs that lead to suspicious domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to a Garmin manual, aiming 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://dugedepap.ru/strik?utm_term=garmin+nuvi+2699lmt-d+manual
    • https://xewulowew.weebly.com/uploads/1/3/4/7/134757629/0d5a1fb7.pdf
    • http://ludshop.xyz/will_cyberpunk_2077_be_on_ps5_at_launchk1s32.pdf
    • https://cdn.sqhk.co/wadupaxi/bgjjdxj/23321707126.pdf
    • https://kiriwalukejogof.weebly.com/uploads/1/3/4/3/134310578/89ae911a041917e.pdf
    • http://madewithsunshine.com/1605378263xjlpg.pdf
    • http://bigmagazin.xyz/silicone_rubber_sheet_nz1uaus.pdf
    • https://cdn.sqhk.co/nabaxifow/qvEgfqJ/graveyard_gunner_free_online.pdf
    • https://cdn-cms.f-static.net/uploads/4483608/normal_6014575d11839.pdf
    • https://cdn.sqhk.co/felegabiw/jaheSje/snakes_and_ladders_multiplication_game_printable.pdf
    • https://cdn-cms.f-static.net/uploads/4462985/normal_6052832ebfca2.pdf
    • https://pikisavejalanab.weebly.com/uploads/1/3/3/9/133986241/2579657.pdf
    • https://static.s123-cdn-static.com/uploads/4417806/normal_5fcc158c3f520.pdf
    • http://cabinetsly.xyz/ironman_marrakech_athlete_guide6gfio.pdf
    • http://a1metromovers.com/linokulojadorrt2l.pdf
    • http://ultra0.space/cooler_master_n200_matx_mini-towermdk02.pdf
    • https://cdn.sqhk.co/tuxogafu/EhhijZA/2048_kitty_cat_island_apk.pdf
    • https://cdn.sqhk.co/tinulafi/7gh5fjd/91070411453.pdf
    • http://shop-kid-toys.online/computer_organization_and_design_4th_edition_solution_manualijyct.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/patotale/samsung_galaxy_s9_price_in_usa_2019.pdf
    • https://s3.amazonaws.com/gofilafixu/27779588696.pdf
    • https://s3.amazonaws.com/nufidibodudulad/34000349549.pdf
    • https://s3.amazonaws.com/minegikukovel/ventral_hernia_guidelines.pdf
    • https://s3.amazonaws.com/gidibesuxi/raremuzojufadazulavo.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f648.bin
b5753e9ea4faded5c88f4223216e1cd260da1ed6bc05773006b32102ed609d8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF648 5360 bytes
font_01_sfnt_off00010878.bin
69f73a6e88e3ff0da8920edbf52e788c63d6596a4ac88ad9906776f79b0b5bce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10878 10592 bytes
font_02_sfnt_off00012cbe.bin
569f756873fd89e9ac54c2be6ee8ad0a68594ee77c2378937be7521d336ae4b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12CBE 16064 bytes

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