Malicious PDF — malware analysis report

Static analysis result for SHA-256 9926197553b3d522…

MALICIOUS

PDF

79.9 KB Created: 2020-12-04 21:54:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 576173428d32d0d7bf32412f402fc9a9 SHA-1: e89539c5211b7c05b14422c1d6c23a52f7eb8287 SHA-256: 9926197553b3d522e07139e3b3cb111b6381418f7357f5390da353aa0f482e6b
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The document body, though heavily obfuscated, suggests a lure related to a movie parent guide.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://traffset.ru/aws?utm_term=hobo+with+a+shotgun+parents+guide PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4375690/normal_5f95236b8b2bb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412767/normal_5fc13f156b895.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb4f4e7f-2955-4ba6-b019-ed7f77b842e5/20378538585.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/verizon_user_guide_kyocera_cadence.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aa42a83b-69d6-423f-874f-9241c07d2e35/99341963351.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf541cf3de5e49b55b2b47/1606374428753/64256424958.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/523bb66c-867f-4412-a9e2-a042b2a60e31/98510427768.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0eacbc14dfd36fef1915a/t/5fc108ec08845d0924aefeca/1606486253461/dafavugujorimavojuporotaz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/04e84c4d-b800-43eb-86fb-d56e9414a489/ribofabatokokajefomisex.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbfd1e0c89e1c4b8fb81223/t/5fc7fdb76ff1704bbbc39eeb/1606942137361/tennessee_titans_uniform_schedule_2020.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffb332bbd740658015355/t/5fc3376f3c6ccf69f3c7083b/1606629231936/97648622317.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf6bc72dd96f5918e78c48/1606380492210/how_to_reset_citizen_eco_drive_watch_wr200.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c45068612547ed7f5dc1/t/5fca647782de7b4d638c9bf4/1607099511858/gacha_club_download_mac.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f88a625a-6219-4320-ac4f-02480ddd778d/tikazutosemexaborizif.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_off0000fab7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAB7 5380 bytes
SHA-256: e0e076af4493bfdec07fbe5f27b7cb321c5c2abade9d55d48306d2b691a123bc
font_01_sfnt_off00010d07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D07 11000 bytes
SHA-256: d62d1b5bd14f1b8e59ee539d8a93e2de40c7112baeecba97bd143fd28056d64c

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