Malicious PDF — malware analysis report

Static analysis result for SHA-256 048bedf10f8230d8…

MALICIOUS

PDF

90.4 KB Created: 2021-05-19 12:54:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 08526018fcf2eeea2e9d7f82e2c4f932 SHA-1: c3ef9128a44fbc6dbfc5dfe7b36c4e3fbdcac815 SHA-256: 048bedf10f8230d880ec32d4055466ee7ed30ad097a57072a5dff3c73d2d8236
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-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://mezovuduw.ru/strik?utm_term=the+legend+of+zelda+the+minish+cap+romsmania PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4485813/normal_605c32ce371ed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370542/normal_6027862225b39.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421224/normal_603594fa6b28e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465537/normal_5fc7389d49319.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369935/normal_6035b1923bacc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502464/normal_6025276413aa7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485173/normal_6044640e5f27d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4403565/normal_6003b64f0481e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365553/normal_6023453f3d882.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463263/normal_5ffd0ec09a170.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369657/normal_602d7633c1efd.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/sevoga/wii_homebrew_iso_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6750309c-5569-4de7-98b1-432e2e55830a/stihl_leaf_blower_starter_rope.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/892b724c-9f0c-474c-93ba-2105356daac4/how_many_us_senators_are_needed_for_a_quorum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6a6be4f9-8efa-4b68-9ad4-87f08640110f/gap_factory_baby_girl_shoes.pdfIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/what_is_the_importance_of_textbook.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/cartoon_movies_480p.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b7d190c8-fa29-4d34-aa8d-f283a5be180b/fuzaludukabudanodazuzib.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/guvewawadoribewoja.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0ec0b3c8-84c7-46a6-b221-6bb575962d79/importance_of_physical_education_essay_in_tamil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/857f227a-8f80-4d12-b9c8-d31ca5b61c82/samsung_washing_machine_top_loader_wont_drain.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a189398-2333-4abf-97b0-d8339095e786/bipikalewotiti.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_off00010839.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10839 5568 bytes
SHA-256: 31bdfc9764cbf49eda4cdd3242981ee93ec9794a0266356ca65860857e18a013
font_01_sfnt_off00011b13.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11B13 13392 bytes
SHA-256: aae0c1ff6856d91332ce00cc2eb8ff8b16abc89b9564eeaf6caf098de1c31628
font_02_sfnt_off000144d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x144D8 16148 bytes
SHA-256: 64f21e55c2f29c6f605e8f9fd96e7f7b34f9b4a26fdc717ddead948457370e3b

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