Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fa17aa7d08b340f…

MALICIOUS

PDF

81.1 KB Created: 2021-02-27 06:14:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c9d09709c1fbfd37eea97d23619f5b73 SHA-1: e72e10369a6f6ea3ced5f1013ae72e3b39c13b2b SHA-256: 2fa17aa7d08b340fba6fa47b8b5f9e9137af1f2819881497e38fa23cb0576b23
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware download site. The document body, though partially corrupted, contains text that appears to be a lure related to "lords of the sith".

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://zajinet.ru/strik?utm_term=lords+of+the+sith PDF link annotation
    • https://cdn.sqhk.co/nuxoporerom/iIiig4b/beer_pong_table_near_me.pdfIn PDF document text
    • http://noverst.xyz/suvuwuhokug.pdfIn PDF document text
    • https://cdn.sqhk.co/nokulebepoba/chfARif/wodajitogofo.pdfIn PDF document text
    • http://netusikofigo.22web.org/xaxun.pdfIn PDF document text
    • https://cdn.sqhk.co/navotezive/ahiifhc/airport_ground_operations_manager_job_description.pdfIn PDF document text
    • https://cdn.sqhk.co/kopilixa/hhjgjgP/among_us_mod_menu_android_apk_always_imposter.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489263/normal_600de5185a9c6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448540/normal_5ffcb484825c1.pdfIn PDF document text
    • https://cdn.sqhk.co/berirenike/zShchid/mexomonejenekokukiwotum.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/kiwopusafize/64969241974.pdfIn PDF document text
    • https://s3.amazonaws.com/kewuxejikiwe/roland_d50_vst.pdfIn PDF document text
    • https://s3.amazonaws.com/zalisujezajaje/tufefurujos.pdfIn PDF document text
    • https://s3.amazonaws.com/kezemiradigu/91266691949.pdfIn PDF document text
    • http://luzusimunire.rf.gd/why_wont_my_foodsaver_turn_on.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_off0000eb9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB9B 4692 bytes
SHA-256: 4d275f0cc37929835e0b32b65ed9d1d888e92d3cb63987793ef1eaf3df07fec6
font_01_sfnt_off0000fb8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB8D 10940 bytes
SHA-256: e9ab6f4d1a52f4df0d39d4c6b9ed815200e0498fd7a5c759d586ceb9b29da3c5
font_02_sfnt_off00012176.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12176 16312 bytes
SHA-256: 531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660

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