Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6f9e6ad659982a6…

MALICIOUS

PDF

39.3 KB Created: 2020-08-19 05:30:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0f6e36995447dcb47e8247b079071c53 SHA-1: 00a70c379a64f606a367b7ef58bdcc30d686f747 SHA-256: f6f9e6ad659982a691e5bcafd8cb22e561c330de89738c608b6ea631e5241b0a
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link disguised as an immunization form, leading to the ttraff.ru domain. It also functions as a link farm, with many links pointing to Shopify domains, likely for SEO manipulation to increase visibility. The presence of a call-to-action button further supports a malicious intent to trick the user into clicking the link.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=immunization+form+brooklyn+college In PDF document text
    • http://makol.watips.net/uploads/1/3/1/4/131407089/zunixawubudulisewar.pdfIn PDF document text
    • http://files.highbanks.marketingfactorygroup.com/uploads/1/3/0/7/130739232/4487985.pdfIn PDF document text
    • http://files.zion-cobleskill.org/uploads/1/3/1/6/131636678/22ac99b9b.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/1/0429/7677/2250/files/lazivakamexupudogoje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1150/5302/files/digital_amazing_bible_timeline.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zemeletitofugawekabol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1387/3569/files/1846019324.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5417/8216/files/uta_bachelor_of_science_in_biology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1148/0472/files/5889055205.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/60801339947.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1470/9663/files/buluxujaximetukeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4920/6439/files/84616752110.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4133/9045/files/fedex_waybill_form.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_off00005824.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5824 5316 bytes
SHA-256: 105197a4a45081f4ebe1a4ece0f8fa33542d1c4d0ed47fe56eea322d24f8622e
font_01_sfnt_off00006a3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A3C 10744 bytes
SHA-256: ac73a698b160ff64193a523e20839ab4a9135fdc0b1b33df2a194ad86b59a49a

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