Malicious PDF — malware analysis report

Static analysis result for SHA-256 7264a359dda65d0e…

MALICIOUS

PDF

48.6 KB Created: 2020-08-03 05:41:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d7f10950eac80815fd92196de5284be SHA-1: 7937ebf7296800bc9ada1da4c0a7f0fe512f2ab5 SHA-256: 7264a359dda65d0e48d2abc9d9c34bec83c53eb64a86ed094ae010611ddf5ca3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a mass of external links, many pointing to SEO redirectors, designed to trick users into downloading further malicious content. The primary redirector URL is 'https://ttraff.cc/pify?keyword=minecraft+stone+fence', which is likely part of a phishing or scam campaign. The ML classifier strongly indicated maliciousness, and the link farm heuristic confirms the intent to distribute malicious files.

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=minecraft+stone+fence In PDF document text
    • http://files.bofc46.com/uploads/1/3/2/7/132712251/sixageregijap-sutixavilefuzu.pdfIn PDF document text
    • http://files.souderlandscaping.com/uploads/1/3/1/3/131379037/jatudemow.pdfIn PDF document text
    • http://fitetil.arf-private-investigators.com/uploads/1/3/1/4/131438539/vogiwoginuguf_bipito.pdfIn PDF document text
    • http://files.teddybrighton.co.uk/uploads/1/3/0/7/130739850/tugebuwibokosilujogo.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/1/0432/1109/6221/files/zenebovowif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6245/1611/files/69279320093.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6803/8049/files/deforusezigonakulile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7327/4018/files/pavasudufula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/31321710084.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1649/3976/files/xuwoko.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3748/1365/files/19512197618.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5919/9650/files/8049380298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0291/2168/files/95264232521.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1217/7572/files/misguided_angel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5866/7415/files/fazidafuxonixobosep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4178/3959/files/someone_like_you_tab.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
🗂 Part of campaign: echeloncatapult.org 5 samples

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_off00007fd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FD5 4848 bytes
SHA-256: 6f8cabec32395072a9799e76a24860d2b34bc96260c6958546e29c5572cfcd45
font_01_sfnt_off0000906e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x906E 11388 bytes
SHA-256: ba106644f50a3c313d47e634f8fe3003c6dc15cd51d41412191692a9a19e0367

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