Malicious PDF — malware analysis report

Static analysis result for SHA-256 564ee211d9073de8…

MALICIOUS

PDF

188.6 KB Created: 2021-01-11 19:01:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fb0127cfe629b1c0cdb96a252d2f8f0b SHA-1: 5f68d81706300db98811e84ad4098f0c66e1d399 SHA-256: 564ee211d9073de8fb6493608dcab68b4e490594ebd9ff1e7a4c75986794ca91
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL, https://traffine.ru/aws?utm_term=megan+fox+age+during+transformers, suggests a phishing or social engineering lure, likely attempting to direct the user to a malicious website. The document body, though heavily obfuscated, contains references that align with this lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://traffine.ru/aws?utm_term=megan+fox+age+during+transformers
    • https://site-1174602.mozfiles.com/files/1174602/xazikad.pdf
    • https://muwalivom.weebly.com/uploads/1/3/2/6/132695892/ruzezu_zenopewivademix_tonexokubat_fatuvino.pdf
    • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/47a40.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/tixedujegibex/70039193676.pdf
    • https://s3.amazonaws.com/tedowafomaru/josopa.pdf
    • https://s3.amazonaws.com/dorobukasawituw/55503239720.pdf
    • https://s3.amazonaws.com/tobojelusiwi/east_west_optometry_conference_2020.pdf
    • https://s3.amazonaws.com/tokafanawa/88160691245.pdf
    • https://s3.amazonaws.com/vajefam/26140382555.pdf
    • https://s3.amazonaws.com/gewisetug/carers_allowance_form_to_print_off.pdf
    • https://s3.amazonaws.com/pokorevalaxex/monuluzudibekamuzoxapabe.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002a806.bin
6837ee992321761fd774c01e98831cd8f32c002454481020df063ac3256bbdde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A806 5268 bytes
font_01_sfnt_off0002b9f5.bin
45a4c605fc5d041a5168a98b4c0e34c4d7fde462ab0d050e5b08dfa242a02395		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9F5 12800 bytes

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