Malicious PDF — malware analysis report

Static analysis result for SHA-256 17ff540c2207cdbf…

MALICIOUS

PDF

44.3 KB Created: 2020-08-23 20:45:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f284a76c55e87b1f79fd0b042ae6557c SHA-1: 578c9c16402a40e9e818217e561a238e877b1a22 SHA-256: 17ff540c2207cdbf662ce1beb49aed01661a8c6a2c66e641628c9bfc0103e254
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing indicating a redirector to malicious infrastructure. The document body text, though garbled, contains a URL that matches the malicious redirector. This suggests the document is designed to trick users into clicking the link, likely leading to a phishing or malware download site.

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.com/pify?keyword=new+bollywood+movies+hd+1080p+free In PDF document text
    • http://rekow.slayingwithdice.com/uploads/1/3/1/4/131407057/wedijudolijez_tibobixufar_tugonusos.pdfIn PDF document text
    • http://bezuduli.6districtconsulting.com/uploads/1/3/1/8/131871721/vekenone.pdfIn PDF document text
    • http://files.pabaevents.org/uploads/1/3/1/8/131871717/7d8818.pdfIn PDF document text
    • http://files.crescendo4kids.com/uploads/1/3/1/3/131398246/sawajeb_sadigetudosefi_zijederemorisez.pdfIn PDF document text
    • http://files.britishcolumbiaschoolactsection177.ca/uploads/1/3/1/0/131071164/47c5a1fc2a.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://cdn.shopify.com/s/files/1/0436/5549/5833/files/sap_aging_report_accounts_payable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0513/1421/files/ejercicios_para_angina_de_pecho.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0892/4568/files/tepesonari.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6617/1287/files/tratamiento_de_ansiedad_y_depresion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5187/4466/files/xazupinuwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2965/9797/files/72424169051.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2829/7381/files/crying_cat_meme_hearts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5432/4117/files/16665892260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7037/1493/files/kodetasapixoromi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4654/1211/files/sinebeguwizo.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 4

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000608d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x608D 5424 bytes
SHA-256: 4f07a3afa92688e90557f6a209b6b797a9ca7838badeca4e378ae62ffde79886
font_01_sfnt_off00007313.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7313 10176 bytes
SHA-256: 71e2de4f630b563fd4cd7979255ec255d2b78b3c1b0c53cb41a5ee662ad11fd8
font_02_sfnt_off000095f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95F2 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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