Malicious PDF — malware analysis report

Static analysis result for SHA-256 75d68ce4267e4678…

MALICIOUS

PDF

81.5 KB Created: 2021-05-22 16:07:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: d87762b367fd06b8c042330862d329e8 SHA-1: f6a0e044b9e30444a57e176511ebc73ee9219c82 SHA-256: 75d68ce4267e467822e8f862fdd1d6d95ce171753876d2e8a7d10ecc72036e81
156 Risk Score

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://bologen.ru/strik?utm_term=%25D0%25BA%25D1%2583%25D1%2580%25D1%2582+%25D0%25B2%25D0%25BE%25D0%25BD%25D0%25BD%25D0%25B5%25D0%25B3%25D1%2583%25D1%2582+%25D0%25B1%25D0%25BE%25D0%25B9%25D0%25BD%25D1%258F+%25D0%25BD%25D0%25BE%25D0%25BC%25D0%25B5%25D1%2580+5+%25D0%25BA%25D1%2580%25D0%25B0%25D1%2582%25D0%25BA%25D0%25BE%25D0%25B5+%25D1%2581%25D0%25BE%25D0%25B4%25D0%25B5%25D1%2580%25D0%25B6%25D0%25B0%25D0%25BD%25D0%25B8%25D0%25B5 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4500883/normal_6042d5980b48c.pdfIn PDF document text
    • https://xumagatovonag.weebly.com/uploads/1/3/5/3/135312495/pigeme.pdfIn PDF document text
    • https://nijomusuvul.weebly.com/uploads/1/3/4/6/134671469/882a3defdfd.pdfIn PDF document text
    • https://jetetinabalu.weebly.com/uploads/1/3/2/6/132682142/7265726.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4503309/normal_602c7c58f04d4.pdfIn PDF document text
    • https://karubidodofibe.weebly.com/uploads/1/3/4/3/134316277/6764484.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383582/normal_6004cffcd083f.pdfIn PDF document text
    • https://wizitizisib.weebly.com/uploads/1/3/4/3/134361222/056f3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/2f21cdff-cf01-4741-9408-0234f071790c/fodowasumiguxeriluzafaj.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwuzerijofa/employee_enrollment_form_sample.pdfIn PDF document text
    • https://s3.amazonaws.com/xajowu/56797566889.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f5280999-e7c7-4d56-a02b-bd157cdb9a01/how_to_connect_left_jlab_earbuds.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/092ab885-4bc7-4eed-87d6-7386506b00b0/the_wrath_and_the_dawn_webtoon_ending.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3bfb06f0-c72d-4346-b8da-a0b318939a69/fetobezuvet.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/loruwotopa.pdfIn PDF document text
    • https://s3.amazonaws.com/xepululejiwof/baku_airport_arrivals_information.pdfIn PDF document text
    • https://s3.amazonaws.com/tipikaxe/defiant_spin-to-lock_electronic_deadbolt_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/61237567663.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e355.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE355 5540 bytes
SHA-256: 6dac792f69264ffa40cdfbee14c139d8126f3f06f521b6c236991f6d1c9bcbd2
font_01_sfnt_off0000f653.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF653 15804 bytes
SHA-256: 0634b5afd6ae5e13812b006cbcc131199b57b9394bb1f519a892a07c851cb490
font_02_sfnt_off00012743.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12743 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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