Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7506909288bcb4e…

MALICIOUS

PDF

46.0 KB Created: 2020-08-15 01:37:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7da34f0371fb1b13a69d4373bffb4baf SHA-1: 10c8bfe2b83077f6924167819722f6641419b8ee SHA-256: a7506909288bcb4ead1524cb403ff1273d4e0f987c50d81cbc28f98af2b9f54c
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links pointing to external PDF files, many hosted on Shopify. This indicates a link farm, likely for SEO manipulation or to distribute further malicious content. One of the primary links, 'https://ttraff.com/pify?keyword=boomkin+guide+8.+2', is flagged as a malicious redirector. The document body itself is heavily obfuscated and contains metadata suggesting it was generated by wkhtmltopdf.

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=boomkin+guide+8.+2 In PDF document text
    • http://files.everything-365.com/uploads/1/3/1/3/131383771/sopadisupezasek-xegofubef-xebeperu.pdfIn PDF document text
    • http://files.showmerob.com/uploads/1/3/1/3/131384436/e0478d60a2fb5.pdfIn PDF document text
    • http://fepuxu.stopthecelltower.com/uploads/1/3/0/7/130738531/ketup.pdfIn PDF document text
    • http://files.hardawayart.com/uploads/1/3/0/7/130739169/govoro.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/1/0428/9835/8432/files/32878299647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1561/7182/files/55363462931.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0644/3163/files/xupesonerojoxudurozuzif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8513/5014/files/63055483863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6443/5612/files/zowatolixuxagotuje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3593/2310/files/garmin_usb_drivers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8859/3567/files/39691095916.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/how_do_i_convert_to_word_document_for_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1020/3556/files/assembler_2_en_un_seul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9948/0473/files/21117413907.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_off0000773f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x773F 5100 bytes
SHA-256: 2704f040e0b630378541565a21e6cc8f1e9ee07f0573c4016a84322daab80b74
font_01_sfnt_off00008894.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8894 10288 bytes
SHA-256: ea8cc947dc77b1a72fea87bf2f40269e20de169e76fcdb0ecd0530330c0d45db

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