Malicious PDF — malware analysis report

Static analysis result for SHA-256 11d627f2208d3abc…

MALICIOUS

PDF

72.5 KB Created: 2021-02-19 12:15:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 4e68e8cb5a7db6a0f162313f74cedecc SHA-1: 7c2ad663ba37cc48b740807ae25f8f68fadbe108 SHA-256: 11d627f2208d3abcef883267ef4bfc2132d1c32ce7b61759aa69829937939ff9
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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://baarspo.ru/wix?keyword=things+that+start+with+a PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4491151/normal_60293b9768dcf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416671/normal_5ffa4ce7e8037.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407064/normal_5fcf50204f3fa.pdfIn PDF document text
    • http://pejofewetoz.22web.org/sentence_pattern_with_examples.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470211/normal_5fd34dde5c994.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387919/normal_60068edd04d74.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387036/normal_5ffb68f403a1e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456671/normal_60010033a818c.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/padanivozeb/81744707492.pdfIn PDF document text
    • http://pobalupusovejo.epizy.com/47363250893.pdfIn PDF document text
    • https://s3.amazonaws.com/liwara/beta_movie_video_song_free.pdfIn PDF document text
    • http://malebujezasipip.rf.gd/mamifujegapireluvolod.pdfIn PDF document text
    • https://s3.amazonaws.com/fogibi/16833581726.pdfIn PDF document text
    • http://fopopas.epizy.com/what_is_fedex_tracking_number_format.pdfIn PDF document text
    • https://s3.amazonaws.com/boduxatavepe/folotevukak.pdfIn PDF document text
    • http://pazugovaru.rf.gd/tulisan_arab_asmaul_husna_dan_artinya.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_off0000e0a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0A5 4956 bytes
SHA-256: 14dbd4abb420f357570990da5808652f8741ab329f61bb1d75b8973124242600
font_01_sfnt_off0000f190.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF190 10676 bytes
SHA-256: 18d09b2f9fee50d8e993075a68ad229c6cf79ca26e3bd46808b6547e4f18b568