Malicious PDF — malware analysis report

Static analysis result for SHA-256 78505a6f0cb84def…

MALICIOUS

PDF

46.7 KB Created: 2020-07-25 11:33:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bad6331e23044eb3c964d0c931762027 SHA-1: 6adbc5aa98b8fa4ffd9eaac5dda0dfe6ae1f23e0 SHA-256: 78505a6f0cb84def27514355c1a4ff0bc493baf04bec0253d0c045ed823df7a7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector service (ttraff.cc) and others to a large number of PDFs hosted on Shopify. This indicates a link farm or SEO poisoning tactic designed to lure users. The presence of a malicious redirector link and the sheer volume of external PDF links strongly suggest a phishing or scam attempt, likely to distribute further malware or lead to fraudulent content.

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.cc/pify?keyword=assetto+corsa+car+pack In PDF document text
    • http://files.ruthbrambleceramics.com/uploads/1/3/2/6/132682561/nipafupoxurupuk-zixiru.pdfIn PDF document text
    • http://files.portlandumc.org/uploads/1/3/0/7/130739210/kazevagemuresisafo.pdfIn PDF document text
    • http://files.halldavismarketing.com/uploads/1/3/0/7/130739060/3d88c12.pdfIn PDF document text
    • http://files.slgtc.net/uploads/1/3/2/6/132681398/824058.pdfIn PDF document text
    • http://files.alfredschipsandsalsaexpress.com/uploads/1/3/0/7/130739158/7d5a8d.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/1/0434/0819/5735/files/xaxira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7041/3207/files/96578157932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2361/3595/files/majokakasopumomeset.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1564/3041/files/benot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9657/0024/files/bojizumesurupidoroxoroj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0379/7913/files/lituxatonejerukijatuwovew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6193/6282/files/4238304407.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5506/2938/files/78636638332.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0791/7729/files/4006966298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52665001447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70686619693.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5704/5913/files/91285001745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1455/3763/files/soxewovima.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5915/1009/files/24636469773.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_off00006f94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F94 4584 bytes
SHA-256: 5ad138dd5264e1668c2e23e5b3126d0ff0ef6d798fce4fc9ed0f3aac213a848f
font_01_sfnt_off00007f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F32 15008 bytes
SHA-256: 348d818cf071a6cfbd3c84b907461f03a67616b7f41a1bd3f7c510558bf97ab3

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