Malicious PDF — malware analysis report

Static analysis result for SHA-256 11d6eb01ef0858fe…

MALICIOUS

PDF

83.7 KB Created: 2021-03-17 05:49:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b21acbca95f47ddf01ae85411bfc2bd7 SHA-1: e71c40b506afde1f5ed4dc47c2c8fbab1d9a73bc SHA-256: 11d6eb01ef0858fe55f0da8f653206152f8038b6c9cdc825f4863b679a40901a
104 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a domain associated with movie piracy, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings suggest it may contain embedded JavaScript or exploit content designed to redirect the user to the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://vilenefex.ru/123?utm_term=anniyan+tamil+full+movie++tamilrockers
    • http://kalukawuwo.mygamesonline.org/sonic_drive_in_menu.pdf
    • http://fenofojerafama.22web.org/household_budget_forms_free.pdf
    • https://cdn-cms.f-static.net/uploads/4422368/normal_5fd7cea90ce10.pdf
    • https://cdn-cms.f-static.net/uploads/4451229/normal_601aad0b57cec.pdf
    • http://vijexibat.mywebcommunity.org/canon_eos_rebel_t5i_lens_compatibility.pdf
    • https://static.s123-cdn-static.com/uploads/4424996/normal_5ff908603781d.pdf
    • http://vevebopawo.mywebcommunity.org/8464621700.pdf
    • http://movawizaxaxato.mywebcommunity.org/how_to_draw_beast_boy_step_by_step_easy.pdf
    • http://buganowugam.iblogger.org/managerial_accounting_hilton_9th_edition_solution_manual.pdf
    • https://cdn-cms.f-static.net/uploads/4402718/normal_604ba8f531581.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://sugomoriwegisi.epizy.com/best_wallpapers_for_mobile_free.pdf
    • https://5071cc05-3fa2-46b1-b944-d2523ca4b51d.filesusr.com/ugd/62e2c1_b881aea54fb24f6a83ac1efd3f264e36.pdf?index=true
    • http://wejufutaz.onlinewebshop.net/how_do_i_factory_reset_my_portal.pdf
    • https://s3.amazonaws.com/mivokozibu/86256044447.pdf
    • https://uploads.strikinglycdn.com/files/d5c36857-ec2d-43c6-bcc3-5aa8cf4c3750/28807365439.pdf
    • https://uploads.strikinglycdn.com/files/65ae3b6e-aa89-4975-9d0b-5c01e77a1ff4/how_old_do_you_have_to_be_to_ref_youth_soccer.pdf
    • http://pimubejat.epizy.com/dakez.pdf
    • https://0dab2bff-3dfb-4c05-8951-2fabae7db4b1.filesusr.com/ugd/be19e1_2fdc4e197ffe4941a2535417aa00f211.pdf?index=true
    • http://dupesikunafi.rf.gd/international_business_case_studies.pdf
    • https://s3.amazonaws.com/lorifawuvawot/minecraft_bedrock_edition_addons.pdf
    • https://uploads.strikinglycdn.com/files/60af1232-611b-4f00-ac52-a43677f00584/35324890933.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://www.geocities.com/mitra_anirban/hobbies.htmGNU
    • http://www.gnu.org/copyleft/gpl.htmRegular
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000deb7.bin
54b0d00dd5b930a9dffb70b6bd18ca0cfba72bfa36873975fe372cfc20a6fc5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDEB7 5244 bytes
font_01_sfnt_off0000f086.bin
040fb0e24517ff0a9dec8bbe5ef2a024572dd991ee017ac10c0b8c8f68d585f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF086 6084 bytes
font_02_sfnt_off00010480.bin
feec351c2177073731d58933aec4fb8e6a8f16c1d022634f530035abd15e1924		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10480 11300 bytes
font_03_sfnt_off00012b4c.bin
c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12B4C 16164 bytes

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