Malicious PDF — malware analysis report

Static analysis result for SHA-256 912138783420c46f…

MALICIOUS

PDF

72.6 KB Created: 2021-02-15 15:48:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: d07d9b9e3456e9b889afe2d2e82f7b65 SHA-1: 14afdb5a928294dc24232cc4aeaf059c8be96e2a SHA-256: 912138783420c46f32399c95da4facfe9df09c78946c0e8cde6162cf4a03b792
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 phishing or trojan threat. It contains an embedded URI pointing to a suspicious URL, which is likely intended to host a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, contains text related to a search query, suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wix?keyword=to+kill+a+mockingbird+chapter+7+summary+quizlet PDF link annotation
    • https://zunitaxipef.weebly.com/uploads/1/3/1/3/131398356/zabozanu.pdfIn PDF document text
    • http://fewizoge.22web.org/92926460354.pdfIn PDF document text
    • https://rizomoxus.weebly.com/uploads/1/3/4/5/134589692/gusibefiduten.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456728/normal_5fef395036eb3.pdfIn PDF document text
    • http://intekzafast.online/brb_cable_catalogue4an1d.pdfIn PDF document text
    • https://vunisanelebori.weebly.com/uploads/1/3/3/9/133999195/6163754.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450502/normal_5fdf7f50e8bd1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481999/normal_5fe196d4ca150.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380543/normal_5fe7f6b840613.pdfIn PDF document text
    • https://jitolubupiloz.weebly.com/uploads/1/3/4/6/134637312/2ad03ea69e3f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445881/normal_5fcb562dd8513.pdfIn PDF document text
    • https://mivifasev.weebly.com/uploads/1/3/1/4/131483453/fitobilize.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gafomawonerif.rf.gd/fixed_income_analysis_workbook_answers.pdfIn PDF document text
    • http://nomekerileme.epizy.com/97002570232.pdfIn PDF document text
    • http://kalotiwinilobiw.epizy.com/password_manager_mac_android.pdfIn PDF document text
    • http://nokizotef.rf.gd/famefalesudulesom.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_off0000de6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE6C 6000 bytes
SHA-256: a046f92fff8fe0d43aa55b1e90d8251fa8ba31f60f6faaee8fad63631a03cf7e
font_01_sfnt_off0000f2b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2B1 10160 bytes
SHA-256: 6146f27fd4e1aaba9ca82b240997add7e95b5c791b7121df755b1c9ad5308d2f

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