Malicious PDF — malware analysis report

Static analysis result for SHA-256 92465447f359d4ea…

MALICIOUS

PDF

70.9 KB Created: 2021-03-24 12:33:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ac2d1783c38d0ec63e931161a303e36c SHA-1: 9204bf1d9fd73e5ccc22081f6145456933a6368e SHA-256: 92465447f359d4eac3fd79e832186d712f3ec5a98b21ae1093af97b89af0f972
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xajibur.ru/strik?utm_term=the+missing+full+movie+2020 PDF link annotation
    • http://istlan.space/26558653838bgp92.pdfIn PDF document text
    • http://tujukesabegakom.mygamesonline.org/alto_saxophone_finger_chart_for_beginners.pdfIn PDF document text
    • http://natlab.ru/scan_to_spreadsheet_app_freextun7.pdfIn PDF document text
    • http://dujojiwasemob.mywebcommunity.org/67245831542.pdfIn PDF document text
    • http://jipetabonitu.mywebcommunity.org/baserunning_drills.pdfIn PDF document text
    • http://aycotoro5.xyz/lutefigamozugkddyi.pdfIn PDF document text
    • http://gixodugesu.medianewsonline.com/el_interes_superior_del_nio.pdfIn PDF document text
    • http://dipazekonowa.mypressonline.com/998486378.pdfIn PDF document text
    • http://pagavopalubutu.scienceontheweb.net/what_is_probability_and_non_probability_sampling.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/pipaneku/dolafefidepowanu.pdfIn PDF document text
    • https://s3.amazonaws.com/zodererezuzuxi/97623289408.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36e8b243-0fa6-48de-b120-dd7f1a6f46a5/rules_on_playing_pool_in_pubs_covid.pdfIn PDF document text
    • https://s3.amazonaws.com/gulapore/jugexuxazomakuzevo.pdfIn PDF document text
    • https://s3.amazonaws.com/feborobegibew/44883590411.pdfIn PDF document text
    • https://s3.amazonaws.com/takurugilij/17342565258.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8d51d7f3-036a-4a71-8b34-4d2004be6517/used_john_deere_lawn_mower_parts_mn.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/steps_in_forming_opinions_based_on_facts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f80ea652-ba75-4b1a-8695-5861ad8a051c/can_you_push_a_self_propelled_lawn_mower.pdfIn PDF document text
    • https://s3.amazonaws.com/wonumafubij/google_chrome_update_2019_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/zexozavo/68827906719.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_off0000d8cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8CC 5156 bytes
SHA-256: d5b33c958f85d77ace2b4f46b4cf3056496899532ee398c0afa3647e4404b6b5
font_01_sfnt_off0000ea49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA49 10648 bytes
SHA-256: 903cadc23f52b0e5fc9d0045c0c05d1b38251524db8ece1965291cb9bf03b45f

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