Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d0d6b65166eddb0…

MALICIOUS

PDF

40.0 KB Created: 2020-08-02 16:52:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 31dcb6e8dca456bc69d0419af07be6ea SHA-1: 40015475ffed9e14074189c9cdd07adf965bc154 SHA-256: 2d0d6b65166eddb05f60e05a3fe998c35bf9a2a2739f261b002bc7d1bb9bbe86
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, disguised as an 'uninstall microsoft teams' prompt. This redirector likely leads to further malicious content or phishing pages. The PDF also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious.

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=uninstall+microsoft+teams In PDF document text
    • http://files.kairosskate.com/uploads/1/3/1/6/131637149/medutetenajinaluru.pdfIn PDF document text
    • http://files.wanderingmusicians.com/uploads/1/3/0/8/130874305/zumotegejibasilarula.pdfIn PDF document text
    • http://files.bgxcouriers.com/uploads/1/3/2/3/132302993/7287613.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/1/0429/8611/1137/files/65764685528.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3633/4501/files/jutopuwitogawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3858/8584/files/lozoxeduzoxab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6660/5211/files/bipajowapone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9204/2137/files/51810238145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5663/5816/files/77146313655.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4303/6053/files/noberepijagatujesorob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/19262395814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4617/4877/files/kunazafelurijititela.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5961/8716/files/widakoniwimotij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4253/7629/files/91818494835.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 8

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_off00006096.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6096 5016 bytes
SHA-256: 6081509e1d2ad76bd7a66d3ef78c563a75cb1820b9f33c1b15bed61076ae6d55
font_01_sfnt_off00007191.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7191 9872 bytes
SHA-256: f68a7ce51622da28d7e55359126eeea8801dd9edfc5d850f7d19607b46b99422

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