Malicious PDF — malware analysis report

Static analysis result for SHA-256 793f572df820cf75…

MALICIOUS

PDF

69.7 KB Created: 2020-12-07 03:26:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-15
MD5: 9e8b61e5905ea72768ee78d1924c337e SHA-1: 0b92fa019e58fb0feda3912417e2e88104936cf2 SHA-256: 793f572df820cf75eb9d4c2a401a995a5660cf36cd47c4a12dc0c51e421e5f3c
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://trafficel.ru/wb?keyword=rewrite%20in%20rectangular%20form%20calculator PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4374980/normal_5fb6070dcf3c0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371265/normal_5f904ca79cbd2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464319/normal_5fb5b25c3e6bd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462976/normal_5fcb2be1ea0ee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411498/normal_5fa0282aed043.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/tulosa/shee_venath_shrine_answer.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc141b28ef7301f8b131a8a/t/5fcbef559aa2de0c647b8762/1607200598444/4902641566.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd1911ead99d6e747c4517/1606228244362/6763454.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc19eb9f7cf8c75403006e8/t/5fc5c7073c6ccf69f3277483/1606797063611/download_mobile_legend_mod_apk_versi_terbaru_2019.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc78a4e02915d4a16f90a6f/t/5fccbab683d2ac65cc107143/1607252663682/ginagezuruwalukogorofop.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc10ac260f2895dc1e8a19d/t/5fc273ce7acac6192a1002bc/1606579151587/wubosamiwas.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bc99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC99 5124 bytes
SHA-256: d5a2bb18cf627ca2b1ba3eea726721a660462986362863856e1081c6068d67e4
font_01_sfnt_off0000ce11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE11 11380 bytes
SHA-256: 03ced5dcf63c0b2dcdaf07f57cdfcc3ee94c5984cf1733e57e9c040701e8419b
font_02_sfnt_off0000f53c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF53C 16080 bytes
SHA-256: e3d583ca8131484f6b7e9991674a220a85ec8466745261d702706f92b0246cac

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