Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1ee8a14b365f063…

MALICIOUS

PDF

84.5 KB Created: 2021-03-21 11:27:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fed4d4d64cd1818b8b61f6a89453ecaf SHA-1: be446adc885c0188734ce0f267477d77d833b8e5 SHA-256: c1ee8a14b365f0634266fa4ba2c7c6240abcd98992a4d4b6cb7e1f6b8f46853e
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, and contains an embedded URI pointing to a suspicious domain. The document body, though heavily obfuscated, contains keywords related to a manual, suggesting a lure. The presence of embedded URLs and the overall detection indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://midufefew.ru/wix?keyword=presonus+faderport+16+manual
    • https://cdn-cms.f-static.net/uploads/4464720/normal_6035ac6197842.pdf
    • https://cdn-cms.f-static.net/uploads/4443810/normal_6048474f55174.pdf
    • https://cdn.sqhk.co/zewesifadeka/hgigtsM/wedding_cakes_prices_and_pictures_in_pretoria.pdf
    • https://cdn-cms.f-static.net/uploads/4421339/normal_604b4aecd9005.pdf
    • https://cdn.sqhk.co/fimegasaz/eiigiih/sushi_boat_catering_near_me.pdf
    • http://rmk4sale.xyz/gamedesign_grow_cube20hsy.pdf
    • https://cdn-cms.f-static.net/uploads/4424646/normal_600d8abf135a9.pdf
    • https://cdn.sqhk.co/nonuripot/hgjdaji/amc_theatres_learning_studio.pdf
    • https://cdn-cms.f-static.net/uploads/4416128/normal_600b2571b6628.pdf
    • https://cdn.sqhk.co/rizuwevize/2MnQidt/telugu_devotional_songs_mp3_ringtones_free_download.pdf
    • https://cdn.sqhk.co/pejozujemu/djgt2gj/witazevunerurosorajiko.pdf
    • https://cdn.sqhk.co/gatezoru/w8E9her/29548205110.pdf
    • https://cdn-cms.f-static.net/uploads/4444657/normal_5fe8deae692c7.pdf
    • https://static.s123-cdn-static.com/uploads/4503787/normal_6003382de4a77.pdf
    • https://cdn.sqhk.co/newupulig/jbjakZZ/nutrition_information_nothing_bundt_cakes_lemon_bundtini.pdf
    • https://cdn-cms.f-static.net/uploads/4484995/normal_60390668a3a86.pdf
    • https://cdn.sqhk.co/rovovuroj/gcieRQU/easy_video_maker_pc.pdf
    • https://cdn-cms.f-static.net/uploads/4502698/normal_6027bde2da7df.pdf
    • https://cdn.sqhk.co/leporolino/ieVgigc/all_information_about_carboxylic_acid.pdf
    • http://7lessons.site/how_to_explain_the_place_value_chart1xuwt.pdf
    • http://accface.in/nutrition_information_for_taco_bell_cheese_quesadillaapwta.pdf
    • https://cdn.sqhk.co/jafetegupam/pgcgihf/zen_1010_block_puzzle_game_record.pdf
    • https://cdn.sqhk.co/dubagelojuwe/ihjfmS8/zunikiruk.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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_off00010aa0.bin
379b8c1855255af7c3e82555d355f1085cdb3268438c68718fcad53906cb32cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10AA0 5396 bytes
font_01_sfnt_off00011ce9.bin
d5982c9973d154eac9230f87070d6f00a9c20507980f73293a66b2a7e14f362b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11CE9 11444 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.