Malicious PDF — malware analysis report

Static analysis result for SHA-256 14afdcea50412c35…

MALICIOUS

PDF

78.8 KB Created: 2021-03-22 23:38:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 0a50d4c5f6cc282f50f5fda37a7adb1b SHA-1: 202e170f4f1ffd20c4ccce78ce552c3654529468 SHA-256: 14afdcea50412c3589c31b7fe9b1c2e11ca2886fc0a61d7f098e68f8a892f932
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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://kuzutuzo.ru/wix?keyword=introduction+to+mythology+thury+pdf PDF link annotation
    • http://losmopaka.site/avantree_oasis_plus_manuall23eo.pdfIn PDF document text
    • http://ampinternational.org/dhoom_2_full_movie_hd_1080p_download_tamilrockers62h55.pdfIn PDF document text
    • https://cdn.sqhk.co/kulukopupiw/qi1egfd/cover_fire_offline_shooting_games.pdfIn PDF document text
    • https://cdn.sqhk.co/mofisozulud/hgfxicX/globe_load_promos_for_5_days.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6b0c0bc4-fa67-45a2-b8f6-5d169474acea/47868519702.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d7351c57-fb88-40c0-8f3b-7dab99ec9f5d/spalding_adjustable_basketball_hoop_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/zamemigojat/gusepusode.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/adba894f-0283-4ea4-9fcb-6e804816b6cf/home_maintenance_for_dummies_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f12f1d4a-fbc7-458c-84be-a83399f52acb/camallanus_worms_treatment.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/apostrophe_use_in_possessive_form.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dc8c5076-baee-4c6b-8eaa-d046c38cbd22/wiromidivanedefavesow.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/pajapukelitezajuboti.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/325e1bce-9b62-4c19-a9d0-f9b8c1683b66/gezorizizor.pdfIn PDF document text
    • https://s3.amazonaws.com/wibadinavosunom/attestation_d_accueil_cerfa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/908bffb1-a2c5-407c-9ec1-f3ab02273aee/advaita_vedanta_and_vaisnavism_the_philosophy_of_madhusudana_sarasvati.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d0410353-f136-455b-a0c6-81c742b97e79/how_to_reset_schlage_change_code.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/24670f00-70d1-4413-a9c9-f455e0466876/wosojixunenijitugeb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/066492cf-42ad-4172-b663-d8901a2cb23d/oster_electric_roaster_oven_recipes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1223fe1a-61dc-4d20-9fb9-a2ccabd33d5c/43237543937.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/what_was_medieval_life_like_for_peasants.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_off0000f660.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF660 5220 bytes
SHA-256: 30792f2385a4f1d86935d84b2c523c13440665dd383cac205c26d7cf74b6024b
font_01_sfnt_off00010809.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10809 11160 bytes
SHA-256: 704f6d33afe69deae74c3d524f4c1f3a17add75e9f61ea2ba8204230a3b5bac6

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