Malicious PDF — malware analysis report

Static analysis result for SHA-256 1021c60da94c020b…

MALICIOUS

PDF

88.0 KB Created: 2021-03-08 22:21:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56bf2dcfc22fc336ca27f68a2ccc0632 SHA-1: d6ad7055bf137ca1265cddd6a41dc324b5c4fc67 SHA-256: 1021c60da94c020b916e778e04b8d9aecebde6e98e8d0969b86e483fda0a1ad6
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URL pointing to a suspicious domain, likely intended to host a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to a 'Sharp xe-a207b' user manual.

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=sharp+xe-a207b+detaillierte+bedienungsanleitung
    • http://bikejesoxatelo.mygamesonline.org/31861293643.pdf
    • http://wixiziz.iblogger.org/rise_to_the_occasion_song.pdf
    • https://cdn.sqhk.co/wetotuluxe/24vzsha/my_verizon_business_account_login.pdf
    • https://cdn.sqhk.co/jimevexir/eKnOjj2/online_racing_multiplayer_games_pc.pdf
    • http://kudopifupelixi.22web.org/21909395529.pdf
    • https://cdn.sqhk.co/pobisobat/DjhBMgh/29664951849.pdf
    • http://votixibutiro.medianewsonline.com/hp_probook_6470b_notebook_pc_energy_star_manual.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/c3963caa-e9dc-4cf3-9b32-d93bb41dbe77/final_fantasy_xiv_character_creation_simulator.pdf
    • http://raxajabidadida.onlinewebshop.net/take_five_candy_bar_nutrition.pdf
    • http://fusozevukatamir.atwebpages.com/behringer_eurorack_ub802_power_supply_schematic.pdf
    • http://guxejusoselota.myartsonline.com/south_america_major_rivers.pdf
    • http://jajapelemazibog.rf.gd/bhagavad_gita_saram_in_tamil.pdf
    • http://setarazenit.epizy.com/ink_cartridges_for_hp_envy_120_printer.pdf
    • https://uploads.strikinglycdn.com/files/45ad9f6c-235f-4f8f-a11d-3fe51ae9546f/how_full_is_your_bucket_kindergarten_activities.pdf
    • https://uploads.strikinglycdn.com/files/e37dae91-08a4-4a2a-854a-9d8b7c68f53b/zulegamidubixagetuwixuvad.pdf
    • http://vopogelos.epizy.com/crossfit_workouts_at_home_with_rower.pdf
    • https://uploads.strikinglycdn.com/files/7bf40eb5-d619-4a83-ae0c-9e7ca0daadca/mujevarinozinuta.pdf
    • https://8d67285a-e3c5-4820-bb1a-bb91ce1079a6.filesusr.com/ugd/d54300_e5b4f4911258477b839793e4975a8a48.pdf?index=true
    • https://d064ede3-316f-4d13-8ec5-014b2136b3bd.filesusr.com/ugd/154db6_99e9b81408b84a0badf8b599504879df.pdf?index=true
    • https://uploads.strikinglycdn.com/files/13b58558-c342-451c-8cfd-d0dd7b647a14/55244099074.pdf
    • https://c245485c-e1a4-4c5a-9a2a-c465a95e53c8.filesusr.com/ugd/25f824_5c9a7de624a347809ab3fa9ba7d94582.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010b41.bin
aaae914a4417d639b385d3d9d7dda64a11ee287f29fe174b430dfba33ceefa7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10B41 5920 bytes
font_01_sfnt_off00011f61.bin
257a18f73ed82b6e3541eee9b30dd012f9b3c3dbbf82ab98ddfe37b20baecb02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F61 2156 bytes
font_02_sfnt_off000128ce.bin
e8a5136cca7ef61d55a7191991abe8f8f9ee9b40d9262d779acfd4fcf351688a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x128CE 12084 bytes

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