Malicious PDF — malware analysis report

Static analysis result for SHA-256 e19850133fe7522f…

MALICIOUS

PDF

81.3 KB Created: 2021-03-06 16:04:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7313681e7a285c18ae4e3224726e4694 SHA-1: 3a00111c46af2583acefa246f4a7d8d7da687193 SHA-256: e19850133fe7522f5c4c36eb63ba320c36e3412f7d9ef6e99e6c86888fc632d2
96 Risk Score

Malware Insights

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

The PDF file contains a URL that is likely intended to trick the user into downloading potentially malicious software. The ML classifier and ClamAV detection strongly indicate malicious intent, and the embedded URL is the primary indicator of this phishing attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://nipisod.ru/wix?keyword=muse+dash+apk+1.2.3
    • https://cdn.sqhk.co/vefomatakin/idhe5jb/angry_birds_2_game_characters.pdf
    • https://cdn.sqhk.co/xeduwukaxusa/d3ghYhf/26746227868.pdf
    • https://cdn.sqhk.co/sawijewabob/jjk4ujb/vozipa.pdf
    • https://cdn.sqhk.co/gogojelawov/jaahaje/block_breaker_classic.pdf
    • https://cdn.sqhk.co/resasenubori/cwqjhjc/tactical_battle_simulator_online.pdf
    • https://cdn.sqhk.co/dojozafo/jaBhjrQ/find_the_ball_flash_game_online.pdf
    • https://cdn.sqhk.co/dojidavos/ejjLjaO/amazed_by_you_movie.pdf
    • https://cdn.sqhk.co/rujojumex/jb4wSie/torn_acl_treatment.pdf
    • https://cdn.sqhk.co/noneniwetav/icjiDhi/colors_of_the_rainbow_song_youtube.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/nawuvud/rogatanizafewobevigafi.pdf
    • https://s3.amazonaws.com/pegebunov/oh_k_bubble_sheet_mask_review.pdf
    • https://uploads.strikinglycdn.com/files/05c361a7-2fc2-4e0b-8fbc-7f1d5d21c349/zuvupikuvim.pdf
    • https://s3.amazonaws.com/wuwabobujasivor/bfg_full_movie_in_english_hd.pdf
    • https://uploads.strikinglycdn.com/files/df175b70-cd3b-42ff-9b20-76405d36a90f/derolefo.pdf
    • https://uploads.strikinglycdn.com/files/aef753de-76d0-4e47-b4b9-065ccf0cb362/what_is_the_economy_of_west_africa.pdf
    • https://uploads.strikinglycdn.com/files/2fdb795f-3254-4460-973a-4c56cf9194d7/52665633624.pdf
    • https://uploads.strikinglycdn.com/files/edce06b2-e621-4cdb-97e4-d529462f5937/is_keto_cycling_effective.pdf
    • https://uploads.strikinglycdn.com/files/94cc3833-cece-44af-8dc0-96ef259873b2/12708307853.pdf
    • https://uploads.strikinglycdn.com/files/96e009dc-4b17-41f4-81ae-6f7c3c225906/votugarepomibelepupuz.pdf
    • https://s3.amazonaws.com/seriposuj/niziwelamilidazezexemilol.pdf
    • https://uploads.strikinglycdn.com/files/9057faa3-444f-4598-a330-eb75d7e88ddf/toreteguxisivisez.pdf
    • https://s3.amazonaws.com/telasebisu/chief_information_officer_job_role.pdf
    • https://uploads.strikinglycdn.com/files/ff9a130b-1e98-46e4-813a-41ce1eff6235/calendario_contribuyentes_especiales_2018_semanal.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e372.bin
f02e5e8bfac1e2466037e34821529ba7d0e76161a651133ddefaf13562a53dae		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE372 5404 bytes
font_01_sfnt_off0000f62f.bin
0223f24e163a40f5f05916855380a4758fbfdfb26433bff10c16792dd5677501		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF62F 5368 bytes
font_02_sfnt_off00010882.bin
1cbd5a059d31da48cd988d42bac7d6bf2ff2b4a7f93f4a03cf7258c164c301e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10882 3280 bytes
font_03_sfnt_off0001145a.bin
39aafcc0b4a3e40a8ec4f768b618ac04b3194fcafbdd248404a8234ddc54b083		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1145A 10248 bytes

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