Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0b3e70fcf2de39b…

MALICIOUS

PDF

66.4 KB Created: 2021-02-20 01:16:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 978fed5bad4f5992f51a49c0e2770b45 SHA-1: b8a25b7070905602ec4387711c93d04377491631 SHA-256: e0b3e70fcf2de39bc91192fd934268f0a3e02cfd0bf440c06ba9032b919b5207
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • 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.
  • 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://maypoin.ru/wix?keyword=skechers+black+friday+egypt PDF link annotation
    • https://cdn.sqhk.co/sebixodof/Pjfjahc/57208808755.pdfIn PDF document text
    • https://zolefixu.weebly.com/uploads/1/3/4/4/134432518/befejinamu.pdfIn PDF document text
    • http://8gusevshop.website/tupibixetupesovozevufaibh4s.pdfIn PDF document text
    • http://uorott.com/vaseline_petroleum_jelly_sds_sheetsfejo.pdfIn PDF document text
    • https://cdn.sqhk.co/pumibavi/aBjcjGk/96030319404.pdfIn PDF document text
    • http://honey-love.ru/rudram_namakam_sanskritu5dwz.pdfIn PDF document text
    • https://zujakeme.weebly.com/uploads/1/3/4/0/134041616/3ad54.pdfIn PDF document text
    • http://lnstagram-copyright-supports.com/vedupobolibupidunngmr.pdfIn PDF document text
    • https://cdn.sqhk.co/fekawitaxug/xij5jjq/87910767190.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/pozokimepe/shusha_font_free_for_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/ladiwuzetawedi/kebaxamuvonipudufamobiga.pdfIn PDF document text
    • http://fujurojulode.rf.gd/13176105626.pdfIn PDF document text
    • https://s3.amazonaws.com/wiwuxot/xuvezazuvunuma.pdfIn PDF document text
    • http://xoxepilazif.rf.gd/47999993129.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/cheltenham_gloucester_plc_annual_report.pdfIn PDF document text
    • https://s3.amazonaws.com/megulu/penepe.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_off0000c4fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4FD 5824 bytes
SHA-256: 91077d00b319a3b2eb286c903144ee764428ec369c31837f2270e0b700cb4953
font_01_sfnt_off0000d8d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD8D1 10484 bytes
SHA-256: 04d301ef95275f21d6f3b71e75a8c80d486f3c3aefc8df73caa137b63bc22b8d