Malicious PDF — malware analysis report

Static analysis result for SHA-256 e73b675cf811307e…

MALICIOUS

PDF

89.3 KB Created: 2021-02-27 20:15:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 4f31d997318c19388d71350190309b7a SHA-1: a55bb7ab5da972eafe94b7684e5340d2320cb276 SHA-256: e73b675cf811307e65b57b3e71958b72bd72ef16f1273e74cbe1e34bd21274b9
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, 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 distribution site. The document body, though heavily obfuscated, suggests a lure related to 'athletic career sims 4' to entice clicks on the malicious link.

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://druttle.ru/award?keyword=best+traits+for+athletic+career+sims+4 PDF link annotation
    • http://zdorovie-vashe-vse.xyz/20563765773e12zh.pdfIn PDF document text
    • http://milansit.space/casio_g_shock_rangeman_gpr_b1000_manualm7ala.pdfIn PDF document text
    • http://opencabinets.xyz/86632058985kz8y1.pdfIn PDF document text
    • https://cdn.sqhk.co/regomesu/ihisHEn/lol_zed_runes_s10.pdfIn PDF document text
    • https://cdn.sqhk.co/zebapomiz/ichcpwE/kaluwebefeped.pdfIn PDF document text
    • http://msertis.xyz/binizuweluvekumin1uwf.pdfIn PDF document text
    • https://cdn.sqhk.co/midijanere/Lhgr3jj/87696281999.pdfIn PDF document text
    • https://cdn.sqhk.co/jinubodilev/jfggI00/nudenije.pdfIn PDF document text
    • https://cdn.sqhk.co/genizataxom/cbgigft/tegaw.pdfIn PDF document text
    • http://simultaneously.space/glacier_bay_dual_flush_toilet_clogged6sbpm.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/nijudow/lose_yourself_instrumental.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/18674087859.pdfIn PDF document text
    • https://s3.amazonaws.com/lebaxa/537122635.pdfIn PDF document text
    • https://s3.amazonaws.com/gurupixabogivaz/acronis_true_image_2019_full.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_off0001210a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1210A 5256 bytes
SHA-256: adacd04f0588c451816cc2166aeb54ec2f4ddab148a614b1e16812c18120c7d7
font_01_sfnt_off000132c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132C7 10844 bytes
SHA-256: 5234309e05d37a106de67777e851a8a9a85c2dcea68b46cfe6313631972fac55

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