Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc6ed370cda5924a…

MALICIOUS

PDF

40.4 KB Created: 2020-08-11 01:05:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ebd7980a5d5e220feabbdfc76e071245 SHA-1: 0fb2559a4ec7ff9ea47b0dd8baec733de97d4b4d SHA-256: dc6ed370cda5924a572310639868919092e22d352a69730824691e8f67c1839e
194 Risk Score

Malware Insights

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

The PDF document exhibits characteristics of a link farm, containing numerous external links, many pointing to Shopify-hosted files. The primary malicious link, https://ttraff.com/pify?keyword=computer+bill+of+sale+pdf, is identified as a malicious redirector. The document's content and structure suggest a lure to trick users into clicking these links, likely leading to further malicious activity.

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=computer+bill+of+sale+pdf In PDF document text
    • http://files.marbellacommunity.com/uploads/1/3/0/9/130969974/9816133.pdfIn PDF document text
    • http://files.gaborbacsi.com/uploads/1/3/0/7/130739601/xofikitow.pdfIn PDF document text
    • http://files.paulmahoneywriter.com/uploads/1/3/1/8/131872273/xolobekefobo.pdfIn PDF document text
    • http://files.lamsgolflinks.com/uploads/1/3/0/7/130739287/lenoresok_lagujes.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/1/0430/6753/9623/files/xepodopomutiwajoxezed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8957/6601/files/41242334662.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4958/1724/files/acute_mastoiditis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2349/0457/files/11993778599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3181/1480/files/jovirafiwojemerozerudedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6084/7004/files/dog_adoption_application.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0900/4952/files/74446278525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/kosulalozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4468/3419/files/55479211063.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/sefekesaxuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5262/8118/files/2246332070.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_off00006090.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6090 5232 bytes
SHA-256: a22cc7916cfb31cff4b0a075d6cc9d99f78d17962e740cf89838dd033c27bf8c
font_01_sfnt_off00007239.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7239 10168 bytes
SHA-256: fce51a17ed6a1ca8fe9027c3244b1c8d04a7cb71d4acdd20edcdbb379bdccf0f

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