Malicious PDF — malware analysis report

Static analysis result for SHA-256 e965c7993f0eac47…

MALICIOUS

PDF

79.0 KB Created: 2021-03-07 10:08:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59efc3327a88651bc3a36742e43dbc5f SHA-1: ee89deb29ad2b08210550db18483f93ed845375c SHA-256: e965c7993f0eac47df6d409464c820e49c73f499b39f0d206c5157b88322c3bf
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The sample was identified as malicious by a ML classifier and ClamAV, with high confidence. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' indicates the document's content is designed to trick users into believing they have won a prize or are expecting a delivery, a common tactic in advance-fee fraud. The embedded URL, https://druttle.ru/award?keyword=logitech+extreme+3d+pro+star+wars+squadrons+settings, is likely part of this lure, directing users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • 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.
  • 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://druttle.ru/award?keyword=logitech+extreme+3d+pro+star+wars+squadrons+settings
    • http://mumolazesinidix.getenjoyment.net/jojuv.pdf
    • http://bosnoslovnoejelaniekupit.xyz/prisoner_of_azkaban_book_onlinex8d10.pdf
    • http://bluhgang.best/textra_sms_reviewh5260.pdf
    • https://cdn.sqhk.co/tenotitur/AwCgcic/sixugubugefoleviz.pdf
    • http://tupaxeguna.scienceontheweb.net/lg_mini_split_air_conditioner_remote_control.pdf
    • http://pejelurim.getenjoyment.net/what_is_the_purpose_of_law_in_todays_society.pdf
    • https://cdn.sqhk.co/jarebomu/hgnH7gh/vevamorozo.pdf
    • http://opencabinets.xyz/know_understand_do_mathosjh3.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/jolituzoji/mipamegis.pdf
    • http://sivikonalijuto.myartsonline.com/curso_gesto_de_marketing_digital_e_mdias_sociais.pdf
    • https://s3.amazonaws.com/xezujuxoz/nijanaraj.pdf
    • https://s3.amazonaws.com/guvovigo/mukutomejuwukubuneva.pdf
    • https://s3.amazonaws.com/niporofez/yuasa_np7-_12_safety_data_sheet.pdf
    • https://s3.amazonaws.com/tumuzu/98401275387.pdf
    • https://s3.amazonaws.com/xelimewat/93026589602.pdf
    • https://uploads.strikinglycdn.com/files/8baaf66e-5c19-416d-b71f-b129bcef7b81/who_sells_troy_bilt_tillers.pdf
    • https://uploads.strikinglycdn.com/files/ff21f42c-ba38-43df-b162-4106c19595e5/how_much_is_take_5_payout.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec70.bin
6d1b86dea89e2f5b465f0772da7774cc7252b680e2524a200ce9f567a5dc73ec		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEC70 5844 bytes
font_01_sfnt_off0001003b.bin
daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1003B 1800 bytes
font_02_sfnt_off000108c9.bin
71340b975b4e68096905ef61c8c41760cd9674db771e537905979da63029dce9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x108C9 10792 bytes

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