Malicious PDF — malware analysis report

Static analysis result for SHA-256 68d2fe0c9a345b4d…

MALICIOUS

PDF

82.4 KB Created: 2020-11-22 21:10:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 53c0d4671757bbe52c86d9445c0b2c54 SHA-1: ddb0fcccd695ac716c99d902e5b4b4de0a649e39 SHA-256: 68d2fe0c9a345b4d876cb0a07ac07f589591cdbcba0d2e4970a102fc2fa06e02
156 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 a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

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://traffnew.ru/aws?utm_term=define+formal+analysis+in+art PDF link annotation
    • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/darek.pdfIn PDF document text
    • https://dolakavurig.weebly.com/uploads/1/3/4/6/134647128/rajunujavijob-meliwa.pdfIn PDF document text
    • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/eab57dac38.pdfIn PDF document text
    • https://valoxapemep.weebly.com/uploads/1/3/4/3/134305175/2281985.pdfIn PDF document text
    • https://bevatisaxotel.weebly.com/uploads/1/3/4/3/134378436/xapate_samevuk_xosipapur.pdfIn PDF document text
    • https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/pozorefuxileno.pdfIn PDF document text
    • https://vepewose.weebly.com/uploads/1/3/4/4/134486620/rekanixupopikukakiw.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/xanebavifamopez/17243915587.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/42eb6b24-0daa-416e-9b65-d8b36d0232c0/minecraft_1.10.2_furniture_mod.pdfIn PDF document text
    • https://s3.amazonaws.com/wilugugo/satokofi.pdfIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/sagutemitaguzupovigogo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/78a79690-b0ac-4142-95d2-122001ec6227/express_in_terms_of_i_calculator.pdfIn PDF document text
    • https://s3.amazonaws.com/kakef/8564848453.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/entwined_with_you_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jaxesabi/88803196368.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/550510e7-6ad5-4eba-93cf-2b35e967332d/headway_beginner_workbook_with_key.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/64746046538.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_off0001083e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1083E 5012 bytes
SHA-256: e38b7484afd26eec4b01cbf1cd50ac2e3451bb1fcf31748bb2cb5f989f66410b
font_01_sfnt_off00011942.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11942 10332 bytes
SHA-256: bafac56b7c4f5781bcb29324a5c7d45f947d32f589c5105193c659dbab0bcf9f

Open this report in the interactive analyzer, or submit your own file for analysis.