Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdad07c62c5f6721…

MALICIOUS

PDF

66.5 KB Created: 2021-02-13 20:00:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: f229fe0ae137e8aaf9c5bb9c0150c487 SHA-1: 2162bdae8961704e8c0acf3f425141967a5f17d6 SHA-256: fdad07c62c5f672131cefe8916b7cbb3c79ed4cf6a910cb66fb565429ce60ebf
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/wix?keyword=richland+county+probate+court+ohio PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4425227/normal_5ff2146416af1.pdfIn PDF document text
    • https://cdn.sqhk.co/dosojegomugu/g5eggjj/real_football_2015_apk.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393791/normal_5fd6d5c6a0b17.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477651/normal_6007d481f2d18.pdfIn PDF document text
    • http://butilegoz.22web.org/pukore.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477649/normal_600156447c367.pdfIn PDF document text
    • https://cdn.sqhk.co/denobafopum/gczhaig/siren_head_rebirth_map.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366395/normal_5fceec523983c.pdfIn PDF document text
    • http://myyshooop224.site/59233925154mztex.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365612/normal_602663bbde89a.pdfIn PDF document text
    • https://cdn.sqhk.co/xoguvamev/VqgdWLX/48958993121.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/wemazun/51021436108.pdfIn PDF document text
    • http://fawipiro.rf.gd/nafirarogojadebani.pdfIn PDF document text
    • https://s3.amazonaws.com/fosalizuzu/canada_express_entry_document_checklist.pdfIn PDF document text
    • http://tosopipates.epizy.com/zebafirifaviwawadi.pdfIn PDF document text
    • https://s3.amazonaws.com/ladiwuzetawedi/26368072676.pdfIn PDF document text
    • https://s3.amazonaws.com/somisilegex/bikoletozawitejoge.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_off0000c842.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC842 5232 bytes
SHA-256: 253363360378e8105a112c66139a331755c321e29d742be8640130cbe2421849
font_01_sfnt_off0000da0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA0E 10664 bytes
SHA-256: 0da15a3d6b790b9ee0368e69ebe16958e1412c28797c88e7311a42edc8dfe94f