Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fcc6c5e781470ba…

MALICIOUS

PDF

70.9 KB Created: 2021-06-13 00:07:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: acdd5744f49af5f35a7e2b0386df309e SHA-1: 31db5eeae29c9f430f10bb37460406b4aaa33a16 SHA-256: 0fcc6c5e781470bafe5cd17becdf95f41113a30b71336c33364b308c42381eaf
104 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 presents a deceptive download button. 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://oniceh.ru/pbw?utm_term=minecraft+dragon+mod+pack PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4409095/normal_603778941328f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484624/normal_60c09b49dc449.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422385/normal_606e69348c554.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458852/normal_6069f06038c14.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387061/normal_600219e7c97b3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366676/normal_5ff6b1e9af74d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483103/normal_5fe005923f525.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459935/normal_6054787b3b29e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421335/normal_60318395a65ad.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/6a33534a-447d-4ebd-95d4-37b4ecbbc60b/brother_pe770_embroidery_machine_troubleshooting.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/09745dda-61ee-4a2a-b69a-a7e92f77abec/esv_bible_citation.pdfIn PDF document text
    • http://motewutoma.pbworks.com/f/rorodaxamokidinedimuno.pdfIn PDF document text
    • http://wevapejatu.pbworks.com/f/red_dead_redemption_2_fanfiction_arthur_lives.pdfIn PDF document text
    • http://kikipudojuzo.pbworks.com/w/file/fetch/144708822/wivawuwolivevazeju.pdfIn PDF document text
    • http://rupebaxo.pbworks.com/w/file/fetch/144494892/83405062560.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d70b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD70B 5332 bytes
SHA-256: 4c35de41a2ab4154a56d9b7c563bf11c6b58c5f8532edd6a16abd243bfdc100a
font_01_sfnt_off0000e930.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE930 11064 bytes
SHA-256: 9a1d23a7ca4d96214af26d938e9420794aa57f2a1777dcb7839883d7699f53d4

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