Malicious PDF — malware analysis report

Static analysis result for SHA-256 2be4e65e9a917636…

MALICIOUS

PDF

69.8 KB Created: 2021-01-26 08:07:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-01
MD5: 0bd93d5d7fa18f66be9d7e113d69b3bb SHA-1: ec9bc4a2832568f796b860334c2574416abbe76c SHA-256: 2be4e65e9a9176367c43d33fbd68813a4c8024d7d0f25c2247c6e89db0a6d73a
194 Risk Score

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://crophysi.ru/wb?keyword=hitman%202%20gold%20edition%20pc%20key In PDF document text
    • https://static.s123-cdn-static.com/uploads/4424682/normal_5ff1de9ccadda.pdfIn PDF document text
    • http://banquepopulaire-fr.org/tixatupiwaluwopesorakahs3a8.pdfIn PDF document text
    • http://form-lnstagramcopyrightservices.com/ates_ve_su_4_1001_oyunqx7lg.pdfIn PDF document text
    • http://khanapoorti.com/sazofedazamuzusutibar9y0kg.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481662/normal_5ff3dd5ccd87e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422890/normal_60088aa0402c0.pdfIn PDF document text
    • http://ecoservice-vlad.ru/mijikabedipizovazamadadewbuolv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450259/normal_5fdefabdcc129.pdfIn PDF document text
    • http://mybiol.site/88507992395d8x3b.pdfIn PDF document text
    • http://fortuneocredit.com/4443206768yfxk8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4452618/normal_5ffccee10a654.pdfIn PDF document text
    • http://obmenkalnr.online/574604533gdukz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463809/normal_5fec404b53470.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386095/normal_5fcbadf5d2431.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386349/normal_5fcc943246245.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460066/normal_6005d691988b8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://juludix.epizy.com/income_guidelines_for_fidelis_essential_plan.pdfIn PDF document text
    • http://kevarivujez.rf.gd/71309920169.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d0e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0E1 5380 bytes
SHA-256: ed51d04c48ca1604f434d31bd560b9745cd81ff487ec7cfb4ceef19abac93377
font_01_sfnt_off0000e329.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE329 11536 bytes
SHA-256: 2b699b44bf8a6995fa31df90e1fa717a546194cc0918e17ab5f6d1735d44b38a

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