Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd07a0364a577fdb…

MALICIOUS

PDF

82.9 KB Created: 2021-03-29 03:37:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 05fb7052187f8897e062bee4841ab3d5 SHA-1: 76e928130ff767c58dc68926af339f6a4420c912 SHA-256: bd07a0364a577fdb6ff4d934cd3edfec219038108a74fde27fd6af7d3ef3d894
96 Risk Score

Malware Insights

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

The file is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The PDF structure itself appears to be intentionally malformed, with duplicate object definitions, suggesting an attempt to evade detection.

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://mezovuduw.ru/wix?keyword=8th+grade+team+page
    • http://ginixotojaru.medianewsonline.com/dunijigazoda.pdf
    • http://ninijefaligogi.mygamesonline.org/vuxox.pdf
    • http://vibijinit.scienceontheweb.net/islamic_banking_and_finance_principles_and_practices.pdf
    • http://muzibatixabu.mypressonline.com/budget_2020_19_summary.pdf
    • http://fovoxarofej.getenjoyment.net/adoration_prayer_book.pdf
    • http://megopoveguvujal.medianewsonline.com/45798241970.pdf
    • http://pofaduxiruk.getenjoyment.net/fetal_hydantoin_syndrome.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://lodumojokexiku.onlinewebshop.net/lasitifibomano.pdf
    • https://uploads.strikinglycdn.com/files/9308c573-a8e4-417e-a3f4-d40387cc831b/how_to_map_out_a_run_on_map_my_run_app.pdf
    • https://uploads.strikinglycdn.com/files/896ada29-d67a-4beb-8d59-22f6492c850c/harley_motorcycle_mechanic_near_me.pdf
    • https://s3.amazonaws.com/vapite/scary_music_piano_sheet.pdf
    • https://s3.amazonaws.com/farezelof/41810094608.pdf
    • https://uploads.strikinglycdn.com/files/47cb586b-d571-4850-bcba-9679989a7db6/wotefukikiraxuxabolokiwaf.pdf
    • https://uploads.strikinglycdn.com/files/125ba657-ee2b-4f4c-8792-deaf6a58acb3/2016_amc_12b.pdf
    • https://33fe1336-4051-433c-b691-b763732126dd.filesusr.com/ugd/6c8f37_e444d6d0d5114e73942d910c4ff376c8.pdf?index=true
    • https://s3.amazonaws.com/wezukep/responsive_html_css_templates_free.pdf
    • http://nakarajibap.myartsonline.com/how_long_is_army_basic_training_2019.pdf
    • https://1682489e-d94b-4f22-b6a6-c8ecb623ca2e.filesusr.com/ugd/5f226e_a25ea7ad3718438fa19e774dfda56bf3.pdf?index=true
    • https://ac4cd5cf-e861-4b1b-a585-e47049f737a6.filesusr.com/ugd/843280_55e0dbf7bafd47fda917f97e2e535d9a.pdf?index=true
    • https://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_c0d1fd99d7d6435583544ba49bd57ec2.pdf?index=true
    • https://db532842-334f-4efb-8993-e67ec8f20ff5.filesusr.com/ugd/bc5be3_f640f71b704b4f34849485673e0b60d3.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
    • 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_off0000ee2b.bin
cdea27c4c84e9d4e9a23339c7ef6a0cd5e06c8d7ed790fba40cc54b795a75acd		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE2B 5260 bytes
font_01_sfnt_off0000ffde.bin
863037694a8918219c3b21df105d5af39a01025a8e8795cfbf708ca92baf84b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFFDE 12044 bytes
font_02_sfnt_off00012934.bin
c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12934 16204 bytes

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