Malicious PDF — malware analysis report

Static analysis result for SHA-256 26746d43d1364a3a…

MALICIOUS

PDF

57.6 KB Created: 2020-08-19 09:40:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 728504c0462e1de5af1b4393fa1c8e03 SHA-1: 0098c66bf975c64bd13829d8037f065fcd3e6f11 SHA-256: 26746d43d1364a3a3c6cee8062b56c7732513e6eb2321485ced3adbb248b52b7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links, a technique often used to inflate search engine rankings or to distribute malicious content. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=blockbuster+video+song+hd+free', is flagged as a known malicious redirector. This suggests the document's primary purpose is to lure users to a malicious website through a chain of redirects.

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=blockbuster+video+song+hd+free In PDF document text
    • http://zutedov.hickmanfootball.com/uploads/1/3/1/4/131438577/dapubitegisaveb.pdfIn PDF document text
    • http://files.joelvendittiarts.com/uploads/1/3/1/8/131857213/kuzoziluvaweliliw.pdfIn PDF document text
    • http://files.knaoknits.co.uk/uploads/1/3/2/6/132695734/risoduzusud.pdfIn PDF document text
    • http://files.forresterflooring.net/uploads/1/3/1/4/131453221/3127876.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/1/0431/3494/3388/files/famanodewitivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1534/7103/files/glistering_melon_slice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fenajowogotuxukat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2637/5071/files/dapulinijivebo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4395/0490/files/bsf_constable_tradesman_admit_card.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0160/1444/files/92019758246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2452/3169/files/hitchhiker_s_guide_to_the_galaxy_series.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4648/3606/files/dewoxujusixes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0252/7895/files/pm_awas_yojana_application_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6544/2455/files/zivuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0687/0183/files/45738402622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6485/2634/files/nosumulanorudife.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 3

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_off0000a22f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA22F 5384 bytes
SHA-256: aa5775b94a4884e1fdc1ce5857242d8f7807080d1cfc2e61fb460e1cdd4af8cb
font_01_sfnt_off0000b477.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB477 10824 bytes
SHA-256: 320d16d6685704e324489786a83a773271fe8f33da86b0637da342b330cdeaa8

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