Malicious PDF — malware analysis report

Static analysis result for SHA-256 0282e138a374ce19…

MALICIOUS

PDF

243.4 KB Created: 2021-04-05 21:00:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: afec3ec8eae3270dca3d94b43b722cc4 SHA-1: ed9158e6e84d0572aca67917d48d79bfe7a8fef0 SHA-256: 0282e138a374ce1969de55b00dc4c53e4a63984a79558690516c8cfc44171540
96 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, with one prominent URL pointing to a suspicious domain. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of embedded URLs suggests an attempt to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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://lozipotod.ru/wix?keyword=tyree+crayon+killer
    • http://fapasevusiledap.mygamesonline.org/67538056535.pdf
    • http://jovefupe.mywebcommunity.org/burhanuddin_muhtadi.pdf
    • http://tapopapebesawu.getenjoyment.net/les_miserables_original_broadway_cast_album.pdf
    • https://milorali.weebly.com/uploads/1/3/5/9/135965765/sulegiza-zeneganukosi-tuloxoli-vusapenonujoja.pdf
    • https://pojirada.weebly.com/uploads/1/3/2/7/132741169/f0809958924.pdf
    • https://cdn.sqhk.co/mazinatefoso/gkific5/jodikenasasalatebokure.pdf
    • http://pedagodogiko.getenjoyment.net/18858193033.pdf
    • https://dakubazelup.weebly.com/uploads/1/3/1/4/131454222/4728131.pdf
    • https://fidimamafiw.weebly.com/uploads/1/3/4/6/134624465/pukax_mexinidew.pdf
    • https://cdn.sqhk.co/xojelumegasi/Kggjghi/centipede_grass_florida.pdf
    • https://cdn.sqhk.co/govonesed/3GMgijb/fitness_lost_weight_success_stories.pdf
    • https://dujizajep.weebly.com/uploads/1/3/4/7/134704211/pomumuso_lapowupat_dezaxixakig_geseroze.pdf
    • https://supogile.weebly.com/uploads/1/3/1/6/131606666/fuzukemapimuz.pdf
    • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/a8e56e.pdf
    • https://cdn.sqhk.co/tufuboloruj/uE2gjgd/golf_clash_golden_shot_cursed_swamp_hard.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fidegaf.atwebpages.com/nisasizenuvubibedutoxasi.pdf
    • https://0940f68a-d1f4-4b3c-b2e9-854edb90c9e5.filesusr.com/ugd/2d797c_d587e85aa45141459240b2ffa3206b6a.pdf?index=true
    • https://8aefc570-8454-48c3-bb63-d4d1067b7ce0.filesusr.com/ugd/5c9621_963022825f454afb816075f1a7a5f4f3.pdf?index=true
    • http://wokidomogu.onlinewebshop.net/madakelozapogodusaselez.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_off00036d7d.bin
83d76835ba55af90bb90f983c3adfa2548077f730d3b06391116c32a5ded94c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36D7D 4732 bytes
font_01_sfnt_off00037db0.bin
92c6591fc27dde4be220c477c43bfdcc720120671fedb2af8608463aa94c95d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x37DB0 12952 bytes
font_02_sfnt_off0003a8de.bin
d1a84ba8f0e4a827a048d387db8dd5dae3538f1c7e72415b16af587a9947cdc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A8DE 16060 bytes

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