Malicious PDF — malware analysis report

Static analysis result for SHA-256 17c7542b1b820394…

MALICIOUS

PDF

42.8 KB Created: 2020-08-21 13:59:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bf53677433f17a3ee8a88858608047a4 SHA-1: d46ac758ef01b5b975c91a6bd33c644a74561e30 SHA-256: 17c7542b1b82039437e1ef102279cc589c171889caf4db6486d5647f6662cb48
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, masquerading as a 'wakeboard size guide'. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM indicate a phishing or scam attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially harmful content, likely for credential harvesting or malware distribution.

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=wakeboard+size+guide In PDF document text
    • http://files.dcscorpus.com/uploads/1/3/2/7/132712447/dibuvatinonogot_kutipubeb_zofixozaf_vavipazowe.pdfIn PDF document text
    • http://files.newhopemyanmar.org/uploads/1/3/0/9/130969477/felaw.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/1/0434/7671/3637/files/74596401707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7198/0198/files/73621546359.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4978/7285/files/abituriyent_7.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3646/7612/files/14095444329.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3258/4098/files/52494059245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4094/3778/files/cash_book_meaning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6759/5165/files/diversity_of_actinomycetes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5809/4495/files/8478468243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3237/1622/files/kezujalemabupijub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0511/4528/files/rotuzeroseduvuvivukovog.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 5

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_off00006b3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B3C 5228 bytes
SHA-256: 402e57f596486911b4523e9bd36b8cd61a91d9d175eb8561f16649c380597581
font_01_sfnt_off00007d26.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D26 9864 bytes
SHA-256: 95ac4a434b8349b823b34342e580b213f3b257ba84cc3ae47217e593e604d3ee

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