Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe9d6ae42f67657…

MALICIOUS

PDF

69.9 KB Created: 2021-03-23 00:30:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: afbce46940a93110c793e73586d089d3 SHA-1: 715e3a4751c90cfd742315b099c47ca7f9046b3b SHA-256: 2fe9d6ae42f67657149733aef8699d65ccc7a994163f2d74763f777d692d0be4
96 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to video content, aligning with common phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://botokaw.ru/strik?utm_term=video+parallel+lines+cut+by+transversal
    • http://arenda-comp.space/traducir_en_espaol_a_ingles_en_audio7zks8.pdf
    • http://dostafood.xyz/domulepabivotovunatowatupikgbt.pdf
    • http://javefuxola.getenjoyment.net/remow.pdf
    • http://ijmalan.xyz/how_to_win_betting_tipszxxfp.pdf
    • http://gemajesubon.22web.org/barcode_font_128_b_free.pdf
    • http://lupelisizi.medianewsonline.com/how_to_use_dewalt_3800_psi_pressure_washer.pdf
    • http://riniwodifole.medianewsonline.com/soxewidun.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/zubata/kixijatagujulodefizig.pdf
    • https://s3.amazonaws.com/zisulamisozoto/cameraman_gangatho_rambabu_dj_songs.pdf
    • https://s3.amazonaws.com/resabomibogodaw/how_do_you_calculate_air_fuel_ratio.pdf
    • http://gesonumakokobal.rf.gd/53602574607.pdf
    • https://s3.amazonaws.com/lorifumofelu/21546726913.pdf
    • http://bogalibamadom.myartsonline.com/xasubelotupevoviwepepo.pdf
    • https://s3.amazonaws.com/zinudipir/lonuzomarise.pdf
    • https://s3.amazonaws.com/kotidox/what_is_the_best_electric_type_pokemon_in_emerald.pdf
    • https://s3.amazonaws.com/wukevirenesu/minecraft_craftguide_1._7._10.pdf
    • https://s3.amazonaws.com/wolawatin/bose_sounddock_portable_battery_life.pdf
    • https://s3.amazonaws.com/biwubeleba/4546258274.pdf
    • https://s3.amazonaws.com/kiwopusafize/zazivuzugewifovijetozaz.pdf
    • https://s3.amazonaws.com/padosumifubobo/bubelagivag.pdf
    • https://s3.amazonaws.com/nufidibodudulad/38793738393.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_off0000d41e.bin
0d8b3ee05e77a53bb213b40252e20b0c62097146c906f783be1e3482e7a294b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD41E 5336 bytes
font_01_sfnt_off0000e656.bin
bf5d7836311e93736fd20a600929dfa795b06639f963545fd19a9c060981b076		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE656 10712 bytes

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