Malicious PDF — malware analysis report

Static analysis result for SHA-256 0114c6bd32dbdb05…

MALICIOUS

PDF

45.2 KB Created: 2020-08-21 12:23:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d617beea95b39c26f94bcbfccad991a SHA-1: 2ce63137da0d262ad0a0e1e2afa8d61b1c531129 SHA-256: 0114c6bd32dbdb0508998d7a6904d252248341547cfb1efc921e50a6ced1a139
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to redirector infrastructure. The primary redirector URL, 'https://ttraff.ru/pify?keyword=china+visa+form+south+africa', is identified as malicious. This suggests a phishing or scam attempt, likely using the 'china visa form south africa' lure to entice clicks. The ML classifier strongly supports the malicious nature of this PDF.

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=china+visa+form+south+africa In PDF document text
    • http://files.acupuncture4yourhealth.com/uploads/1/3/2/8/132814343/6809803.pdfIn PDF document text
    • http://gesidobij.mainstagetheatre.com/uploads/1/3/1/6/131607240/8557768.pdfIn PDF document text
    • http://files.gistrummers.com/uploads/1/3/0/9/130969896/b61cff2900ccd.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/1/0431/6640/0673/files/23399842413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7015/1061/files/85432970146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3365/7495/files/spicy_adventure_stories.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7793/5004/files/back_to_school_rules_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9879/0301/files/starter_kit_for_arduino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5965/8398/files/bodybuilding_weekly_workout_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5395/6766/files/bteb_diploma_exam_routine_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/sukobewiviv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6905/5911/files/miwesawilono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4101/2374/files/31848884073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5117/0457/files/kit_aromatouch_doterra_espaol.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 7

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_off00007459.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7459 5052 bytes
SHA-256: 5cdc43e441224f8990bc7331bbd13ce3a9f95abbe7c6231c4efd6ca6853175fc
font_01_sfnt_off0000855d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x855D 10148 bytes
SHA-256: d7292a73e6d43035fdd3a47ab1baaa186b513c9f84ba7f0fcc955b9d4cb2fb03

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