Malicious PDF — malware analysis report

Static analysis result for SHA-256 0935eb09e6967da6…

MALICIOUS

PDF

730.8 KB Created: 2021-03-29 06:28:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ec45dc2d1ffd0e1382267886f04beac1 SHA-1: 62a19ad59cce07123d4230c5e932d1869a71e8ad SHA-256: 0935eb09e6967da602c170b4fd7c03d47340eb417d68bb0a9e748bc41df96e9f
144 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of an advance-fee scam, employing urgency lures such as account termination and a 24-hour deadline. It contains multiple embedded URLs, one of which is associated with a phishing lure. The ML classifier and ClamAV detection further support its malicious nature, indicating it likely serves as a phishing or trojan delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6487

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://dafemum.ru/aws?utm_term=max+lucado+sermons+on+christmas
    • https://cdn.sqhk.co/remowiwa/QVgdjx2/tagusazipepatapodi.pdf
    • http://lodixewovufosa.iblogger.org/disruptive_stabilizing_and_directional_selection_worksheet.pdf
    • https://cdn.sqhk.co/bizujutenifo/hupE4ha/como_hacer_recargas_gratis_claro_guatemala.pdf
    • http://easterthjg.com/63301106777vnm6r.pdf
    • http://usacreditcheck.info/602414387423mbmc.pdf
    • https://cdn.sqhk.co/keserina/WIjijwV/suluwovepedawuwuzixige.pdf
    • https://kofagegupuk.weebly.com/uploads/1/3/2/3/132302723/d4f69f440c9f.pdf
    • http://gobotujadix.22web.org/sahih_bukhari_hadith_15.pdf
    • https://cdn.sqhk.co/vedanoderifu/gj7hcij/transformers_robots_in_disguise_season_3_episode_19.pdf
    • https://cdn.sqhk.co/kivipemo/Coljfza/20686375296.pdf
    • https://fozibopabedabe.weebly.com/uploads/1/3/6/0/136082219/b154ff.pdf
    • https://cdn.sqhk.co/wupetutigo/cjhhjgh/original_talespin_characters.pdf
    • https://cdn.sqhk.co/fefoseto/jaJ2xic/lesuloritegi.pdf
    • https://cdn.sqhk.co/wazafepel/NMjdgen/mujobiromasederojupuwen.pdf
    • http://megatorg.ru/lafomem7laz.pdf
    • https://cdn.sqhk.co/dulinifijal/dcjdhbs/58533960429.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://4fcc26ae-a476-48f2-98aa-cdc5c12f4544.filesusr.com/ugd/32d0e1_75735bf9348646d09207232bf97ad70e.pdf?index=true
    • https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_039b717e7ae74486bace50b622c01ecb.pdf?index=true
    • https://a39ac558-8fe8-437d-9e10-dc9402d6cb9c.filesusr.com/ugd/1ebe14_aa47c9cc0a2341b9a56b5fd001d3e31f.pdf?index=true
    • http://nazumesogur.rf.gd/lexiwe.pdf
    • https://e46eb8ae-11b5-47af-91b5-79e2db369635.filesusr.com/ugd/f84671_6bdf7eae663f4cfd863cccae6095b239.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_off000b0857.bin
8db11ce0636ed384f93983c23ca0d35649c2893080cc8af4baff64c8b17a40d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0857 5252 bytes
font_01_sfnt_off000b1a1a.bin
18f1d33ca8f8346eeb405bbef40b24a66af8e720b32652b18e03cdcad7cd30d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB1A1A 12684 bytes
font_02_sfnt_off000b4453.bin
5b0d2701ab39d2f69c66d7d16c60d8db0b323aa0832947137e757b5401d27330		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB4453 16060 bytes

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