Malicious PDF — malware analysis report

Static analysis result for SHA-256 959f7ccde8a483ed…

MALICIOUS

PDF

82.7 KB Created: 2021-03-17 06:33:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 0dbcfb35161e0db8f752d7b320298ace SHA-1: 11c2d9de4b99d414f12c588e73ed3a4fc0bf81f0 SHA-256: 959f7ccde8a483edac8d4dc74fa629aed6293eb8dc9724014069896b0221785b
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 0.9990

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://fokemale.ru/wix?keyword=interpreting+political+cartoons+8+answer+key PDF link annotation
    • http://gagarinski.su/rslogix_5000_training_softwarem5lq2.pdfIn PDF document text
    • http://amst-watch-v2.club/diary_of_a_wimpy_kid_book_20mi1r.pdfIn PDF document text
    • https://zugogulubituwo.weebly.com/uploads/1/3/4/2/134266111/5711801.pdfIn PDF document text
    • https://bobebizup.weebly.com/uploads/1/3/1/3/131381471/4264973.pdfIn PDF document text
    • https://texoxarisozitew.weebly.com/uploads/1/3/0/9/130969357/rivax.pdfIn PDF document text
    • https://dovenokitumenu.weebly.com/uploads/1/3/1/4/131482991/44aa753a850.pdfIn PDF document text
    • http://logvoz.ru/halloween_2020_full_moon_time_changexlz6l.pdfIn PDF document text
    • https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/rupupigiwu_rodomujofiv_sejobijororogu.pdfIn PDF document text
    • https://pibigetikuke.weebly.com/uploads/1/3/5/3/135387636/5361742.pdfIn PDF document text
    • http://form-lnstagramcopyrightservices.com/xekojoboseru536bw.pdfIn PDF document text
    • http://kilijosizujowo.medianewsonline.com/kusejibanipunufon.pdfIn PDF document text
    • http://mamafiposorugul.sportsontheweb.net/lafodidatodibemibi.pdfIn PDF document text
    • https://wipomozexabezi.weebly.com/uploads/1/3/0/7/130776841/2867948.pdfIn PDF document text
    • http://baranaydin.org/paxifejedukulaw0tlh.pdfIn PDF document text
    • http://xteenware.online/ximufufasatawewa9u55b.pdfIn PDF document text
    • http://nigma24invest.online/how_to_test_power_supply_pc_multimeterr0ai7.pdfIn PDF document text
    • http://tapidiv.medianewsonline.com/64916483731.pdfIn PDF document text
    • http://mujabelor.mywebcommunity.org/ninivetufojenojur.pdfIn PDF document text
    • https://rizibibaruf.weebly.com/uploads/1/3/5/3/135383358/5925631.pdfIn PDF document text
    • http://vipmanmarket.space/denawazupo0ogay.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/zerepuzuze/what_is_the_infj_personality_type_called.pdfIn PDF document text
    • https://s3.amazonaws.com/mogipegi/chicken_invaders_5_hack_android.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/bamawi.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/sociala_reformer_betyder.pdfIn PDF document text
    • https://s3.amazonaws.com/xojafemori/bluebells_of_scotland_trumpet_sheet_music.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eddd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDDD 5488 bytes
SHA-256: 971d091799afeaeaf80f2dad2ed90cb20612335a7273b4db8f156b902bdc2df2
font_01_sfnt_off000100b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100B4 11796 bytes
SHA-256: 936332dce8a306754bc491bf17c950f140c3b846bc6dcdbb9af533b3e850b9d0
font_02_sfnt_off00012842.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12842 16060 bytes
SHA-256: 4ef9506ee11a349461550e6b437e3786686b598308a87786035880d16624999d

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