Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e363a90603722f…

MALICIOUS

PDF

61.5 KB Created: 2020-10-07 23:44:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 63942c8f1d73f49eec9d748f74d2e557 SHA-1: 65134dbb091d8b415f460dcbef1ae4fc4ec312c2 SHA-256: d3e363a90603722f6414c1d91a6fb39ddf4c96b692f753d3bea23446d6da6190
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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://cctraff.ru/strik?keyword=windows_8+1_pro_x64_activated+produc In PDF document text
    • https://site-1036635.mozfiles.com/files/1036635/97002993006.pdfIn PDF document text
    • https://site-1036730.mozfiles.com/files/1036730/46619350176.pdfIn PDF document text
    • https://site-1038631.mozfiles.com/files/1038631/ruvox.pdfIn PDF document text
    • https://site-1037088.mozfiles.com/files/1037088/68709758680.pdfIn PDF document text
    • https://site-1038738.mozfiles.com/files/1038738/18500596474.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/900eef54-2821-421c-a55f-a8412ded2baf/45311520919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4571/0755/files/vopusufute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6879/0686/files/36659001881.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0484/0914/9597/files/nigefalalefexokumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1313/4741/files/28061342441.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7006/0704/files/saturn_astra_owners_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4154/4599/files/namunadivokutasanemev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/4557/9683/files/86357473951.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007faf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FAF 5668 bytes
SHA-256: 73348fca0a68ff0f8ff35fc0fb5c058ccc06cddd6431f76a44709c5aa354192a
font_01_sfnt_off00009333.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9333 16196 bytes
SHA-256: 9d7dcefa28637fa6b7c95bba4076c677fdb268eedde59834b5c0d8994327bfaf
font_02_sfnt_off0000c5dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5DC 16116 bytes
SHA-256: b0fa52173cf04b285f5a6379e59dbec661bcf0e06b6cb6d2876f3e95daaaabac
font_03_sfnt_off0000dab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAB8 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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