Malicious PDF — malware analysis report

Static analysis result for SHA-256 9769d9e89a7fb95f…

MALICIOUS

PDF

38.6 KB Created: 2020-08-21 13:59:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cfb937ceedd4ac9403344e0ad8f2c0fe SHA-1: b0126a8108e84ed04cda6bf46ad28249090b1a63 SHA-256: 9769d9e89a7fb95f6539202bdfd6958ddcb82010c7e7e6b4287aede4ff265359
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, many of which point to a redirector infrastructure known for malicious activity. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the primary purpose is to redirect users to malicious content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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://ttraff.ru/pify?keyword=paladins+ash+guide+2018 In PDF document text
    • http://files.inlihtanhealingcentre.com.au/uploads/1/3/1/4/131454355/defimusikipimuvudu.pdfIn PDF document text
    • http://tuveguk.upscaleresale4kids.com/uploads/1/3/2/8/132814930/leligujozix.pdfIn PDF document text
    • http://files.plymouthfamilynetwork.com/uploads/1/3/2/8/132815882/wikezokuzip.pdfIn PDF document text
    • http://files.iknowpavers.com/uploads/1/3/2/6/132681544/wilil.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/7157/2885/files/ocean_of_the_world.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26450106566.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9148/5091/files/cheriyal_weather_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0766/1464/files/bmw_warning_signs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0427/8422/files/mubagunuxizodokow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/feramazidolukezojapiveje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7708/2019/files/jolijukodabubagurake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9785/8972/files/48141842526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8422/6453/files/duzep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5703/7990/files/bhoot_bangla_old_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6977/4750/files/9500372494.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000057a7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57A7 5512 bytes
SHA-256: b39ccc326c18e7317c62cae4bc7f22d2e04851996d36d8ea3f952c7c742c53a0
font_01_sfnt_off00006a57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A57 10376 bytes
SHA-256: f9344387348cbf4dcede6ac2b061da50022b6d10ea05cdc98c31b47988a32d6c

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