Malicious PDF — malware analysis report

Static analysis result for SHA-256 9262ed3d10ba1f17…

MALICIOUS

PDF

81.1 KB Created: 2021-03-19 03:51:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 06cf6d81af06d02602a6215b855fc439 SHA-1: 5919fd6aa63f0b65eb3e45d9c6f30dd033475e3c SHA-256: 9262ed3d10ba1f17364b356140b08bd1d6620051adad58e6df93ee8d94286e4e
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 0.9995

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://soxebez.ru/wix?keyword=how+do+you+make+a+fake+birth+certificate PDF link annotation
    • https://zavurebugefogoj.weebly.com/uploads/1/3/4/3/134397626/4f482a28.pdfIn PDF document text
    • http://yesnutural.space/does_shakeology_make_you_lose_weightb02ws.pdfIn PDF document text
    • http://volosaty100.xyz/talolujs35n0.pdfIn PDF document text
    • http://expressday.online/vopoxede9i8gz.pdfIn PDF document text
    • http://bnl-jobs.com/88218676826tb43u.pdfIn PDF document text
    • http://kukushpa.fun/doligivakojudebhvpv0.pdfIn PDF document text
    • https://nilozirarita.weebly.com/uploads/1/3/4/4/134463528/matodaxodabaj.pdfIn PDF document text
    • https://xalekosud.weebly.com/uploads/1/3/5/3/135350534/furatamagufutunakibe.pdfIn PDF document text
    • http://doucheapp.xyz/sisipeniyrak5.pdfIn PDF document text
    • http://groshyk.site/how_to_fix_tv_remote_sensor_not_workingnkqaf.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://s3.amazonaws.com/sonutopexaramuf/52760585471.pdfIn PDF document text
    • https://s3.amazonaws.com/bededuxotulapil/28510876062.pdfIn PDF document text
    • https://s3.amazonaws.com/jowutoneranemuk/tumukaser.pdfIn PDF document text
    • https://989244f3-426d-4557-b4f1-0018dac9047c.filesusr.com/ugd/57c819_300dda8dc61c45b581659f612113b2bf.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gateme/fiwejedixupurafuxo.pdfIn PDF document text
    • https://34e51215-b586-4e01-b3ea-a219475a7b91.filesusr.com/ugd/46481b_fe9ca878bb1a4c6e8b4335bdf535eaa8.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/9970cbf1-f28f-48a7-b447-c05f0e2e2db9/2104599751.pdfIn PDF document text
    • https://eeeff038-21f9-42a6-bde0-cd945221d618.filesusr.com/ugd/9dc459_02ff3ec57a5e493da3ab735fed8fb052.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/caaab554-44a6-4058-bfdf-44d3c6ef8ddd/dish_network_local_channels_not_working_2020.pdfIn PDF document text
    • https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_bdbfd2a232854be29efd8c6627cc0926.pdf?index=trueIn PDF document text
    • https://584dc5e1-4449-4bca-b3d9-d0e1fa08a972.filesusr.com/ugd/185caa_b94dfac5d18744a4891f18bbab3f864b.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5911fb4b-5559-481c-96e7-5f731317ca36/5792559060.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_off0000f248.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF248 5184 bytes
SHA-256: 887c00751273d5e1241400d2ca0d14c234eae1fac8a67fea5e85d9453cb4ef23
font_01_sfnt_off00010406.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10406 10740 bytes
SHA-256: bfba039d6f074e45189c4a7101ad142dec42f30c16ae63cea89eca0689306ad3
font_02_sfnt_off000128a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x128A1 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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