Malicious PDF — malware analysis report

Static analysis result for SHA-256 baeb28f87bec7236…

MALICIOUS

PDF

83.8 KB Created: 2021-03-03 19:09:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: a5a2c541cee55a445b34839664a68b6d SHA-1: e4c860bcd34a905a80e53aac4971f99136ba5da5 SHA-256: baeb28f87bec7236873db8b08f4a135b2cda791320daa3b80dbf4c410a200309
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://pelibifir.ru/123?utm_term=how+to+become+a+scooter+mechanic PDF link annotation
    • https://cdn.sqhk.co/wixexozesila/ygdYMjd/trial_xtreme_bike_game_download.pdfIn PDF document text
    • https://cdn.sqhk.co/kipezipilojo/TibheKI/human_resource_management_system_project_in_python.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/BigC2zQ/buddy_toss_mod_apk_1._2_0.pdfIn PDF document text
    • http://xagugudel.sportsontheweb.net/how_much_weight_can_you_lose_on_the_egg_diet_in_a_week.pdfIn PDF document text
    • https://cdn.sqhk.co/marezotije/ggZJIhq/descargar_7_days_survival_forest_apk_free.pdfIn PDF document text
    • https://cdn.sqhk.co/tobowovum/hhhbVsm/fizoladubofijakefi.pdfIn PDF document text
    • http://bikejesoxatelo.mygamesonline.org/kagudedejifuvoziz.pdfIn PDF document text
    • http://lapitubemexidi.mywebcommunity.org/norcold_rv_fridge_manual.pdfIn PDF document text
    • https://cdn.sqhk.co/lojibuwe/Oig2Jii/basketball_shooting_games_online.pdfIn PDF document text
    • http://fujigukatujewu.medianewsonline.com/54669200547.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bokelur/free_birthday_borders_templates.pdfIn PDF document text
    • https://s3.amazonaws.com/napejaxosinages/18256814693.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/61075658418.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/27178664554.pdfIn PDF document text
    • https://s3.amazonaws.com/fajixe/66990892387.pdfIn PDF document text
    • https://s3.amazonaws.com/panalipolifod/siemens_thermostat_manual_rdj10rf.pdfIn PDF document text
    • http://weparaxopulo.atwebpages.com/the_heiress_movie_1949_review.pdfIn PDF document text
    • https://s3.amazonaws.com/gotijejaj/graph_linear_equations_using_a_table_worksheet.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010bb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BB8 5200 bytes
SHA-256: b63aae2b352ba9270ab071ef48c1f56bee168a0a80cf17bfb82f47c1089d5e7b
font_01_sfnt_off00011d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D48 10680 bytes
SHA-256: a0003bd37524b3b956896ef5a2d1a55aff85b8abd231503c39f4756f17c3d405

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