Malicious PDF — malware analysis report

Static analysis result for SHA-256 3255d061d4efa7be…

MALICIOUS

PDF

84.2 KB Created: 2021-04-04 11:42:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 45fcb47962524f7bd2575ff41ffd99f2 SHA-1: 9b81337400fcf1cc1365c2d383094cab603468da SHA-256: 3255d061d4efa7bebcfcf969708de52fda55ed2ebdf512bb5026f1df2962c532
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 0.9996

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://lozipotod.ru/award?keyword=bangla+quran+meaning+pdf PDF link annotation
    • http://dabopoxele.getenjoyment.net/favourite_food_diet.pdfIn PDF document text
    • http://alexsaf.ru/event_program_template_free9xlyc.pdfIn PDF document text
    • http://memaberenux.scienceontheweb.net/nadusinibasalor.pdfIn PDF document text
    • http://wonder-ita.space/643490143476xpx7.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/tomaxade/live_tv_apk_for_android_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/gelawiweza/dorian_gray_picture_penny_dreadful.pdfIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/kemevizeramewow.pdfIn PDF document text
    • https://s3.amazonaws.com/rujabepifar/holt_world_history_textbook_6th_grade_online.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/play_settlers_of_catan_online_colonist.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/can_a_dodge_durango_pull_a_travel_trailer.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/gafitizonazulubites.pdfIn PDF document text
    • https://s3.amazonaws.com/pirofopafu/27775890047.pdfIn PDF document text
    • https://s3.amazonaws.com/vutame/30217482428.pdfIn PDF document text
    • https://s3.amazonaws.com/podawakumepewez/bumble_app_apk_file.pdfIn PDF document text
    • https://s3.amazonaws.com/tevomenil/1747162157.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/fugopa.pdfIn PDF document text
    • https://s3.amazonaws.com/fisulefajow/bifomokamugenalozuf.pdfIn PDF document text
    • https://s3.amazonaws.com/dozore/79089270182.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/29370936601.pdfIn PDF document text
    • http://tokozod.myartsonline.com/74478510258.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off0001252b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1252B 18840 bytes
SHA-256: 952378c443fc4fb325387d50946d68529d55478f93d75247910313e44514300e
font_00_sfnt_off0000d63e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD63E 5356 bytes
SHA-256: 52ded073605c35c192d7a4fabf1a073e85de56859c39d492f2530b50b6197ad1
font_01_sfnt_off0000e856.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE856 7852 bytes
SHA-256: b243cc2775ff412021030b9437cc8d4af6bc3b38355da862f47674b108cac8e1
font_02_sfnt_off00010163.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10163 10444 bytes
SHA-256: 1df877dd999a9ac88e63d06f13690f1746220384e9263418445b395a182d529c

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