Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd2d6d1ef2ae7645…

MALICIOUS

PDF

71.4 KB Created: 2021-02-10 20:08:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5335549232c670376ce985569e9372c3 SHA-1: 06793d0d2d1f44c00c582010355748702564c081 SHA-256: fd2d6d1ef2ae76457f0450e7bde876521819f961bcf878dd96260214d2f3821f
156 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. The PDF contains a large number of external links, suggesting it is part of a link farm or designed to redirect users to malicious sites. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://seumenha.ru/123?utm_term=rock+me+like+a+river+lyrics PDF link annotation
    • https://velalozelo.weebly.com/uploads/1/3/4/4/134498802/4343241.pdfIn PDF document text
    • https://zamikife.weebly.com/uploads/1/3/1/6/131606416/dc4865757a.pdfIn PDF document text
    • https://rekasefuwe.weebly.com/uploads/1/3/0/9/130969231/2298011.pdfIn PDF document text
    • http://stebsmeh.space/49702543444mec16.pdfIn PDF document text
    • http://zuwazari.22web.org/load_test_report_example.pdfIn PDF document text
    • https://xoxigukot.weebly.com/uploads/1/3/4/8/134861038/tapix.pdfIn PDF document text
    • http://pubgucbayim.com/passport_application_ielts_reading_answersbf5ty.pdfIn PDF document text
    • http://abanca-electronica.com/nunibaparikawejutusekec93wv.pdfIn PDF document text
    • http://pink-echo.club/3650200416294fnd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381294/normal_600670d8972bb.pdfIn PDF document text
    • http://wuduwoguto.22web.org/nokiwiverawubazizozufusu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://gebaruzowulidus.epizy.com/fonujowurosesit.pdfIn PDF document text
    • https://s3.amazonaws.com/sulasatevirexo/side_menu_template_ionic.pdfIn PDF document text
    • https://s3.amazonaws.com/sulasatevirexo/xubasagimevakiburumosite.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/acute_pancreatitis_guidelines_philippines.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/lagu_dj_via_vallen_lily.pdfIn PDF document text
    • http://kojeziponoduv.epizy.com/guwitededox.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/67437957690.pdfIn PDF document text
    • https://s3.amazonaws.com/juzinaramip/34592745478.pdfIn PDF document text
    • https://s3.amazonaws.com/mawesenasijoser/applied_information_sciences_inc.pdfIn PDF document text
    • https://s3.amazonaws.com/feborobegibew/conjunctions_worksheets_for_grade_7_with_answers.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d037.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD037 4780 bytes
SHA-256: f0b3fae126b498a70e13f92de155a21cfeec044c3fd9160a5203a45e57d61875
font_01_sfnt_off0000e070.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE070 9960 bytes
SHA-256: b7f2374ce4124f13b14c591cdf7ba7514cf966886da8a68efe2ec2cc8d1877f3
font_02_sfnt_off00010249.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10249 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

Open this report in the interactive analyzer, or submit your own file for analysis.