Malicious PDF — malware analysis report

Static analysis result for SHA-256 327adc08cc30a4d4…

MALICIOUS

PDF

43.6 KB Created: 2020-08-15 22:41:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e75f82d44e8b8f33880be035b6960dec SHA-1: cb1283456aa9d769c2f968146c0b7c9623045c09 SHA-256: 327adc08cc30a4d4e8071d7c5f4a207aa728443d36490e7a6c081e53836be076
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to `https://ttraff.com/pify?keyword=cheetah+film+songs+free`. This URL is embedded within the document body, suggesting a lure to trick users into clicking it. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination. The ML classifier also 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.com/pify?keyword=cheetah+film+songs+free In PDF document text
    • http://files.stjohnsmtpleasantmi.com/uploads/1/3/0/8/130813427/lodebotufewoj-fububeropuwepe.pdfIn PDF document text
    • http://files.laura-porta.com/uploads/1/3/0/8/130815228/d1cbb.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/1/0433/0386/2440/files/23132737723.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jatud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2737/3986/files/puriruxudovipijotepobaraw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5479/2866/files/cambridge_igcse_ict_practical_workbook_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1990/9794/files/alimentacion_consciente_suzanne_powell_descargar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1003/0748/files/apple_id_scams.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/96303110794.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0884/2152/files/devotupulanujegomeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5464/5916/files/folafopexujekigifakabujuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/sazira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0718/6843/files/zazikowufeluposerekilezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9029/4437/files/zuxodagigufujek.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_off00006cea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CEA 5084 bytes
SHA-256: 66a23f4afc7f9bb050b1654a7c18969a319c5628961dc552d3addd5375d9fe80
font_01_sfnt_off00007e1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E1A 10396 bytes
SHA-256: bc19c72676b3964e0e676171b34403a46e79497936c629c27daec1d9b2f71be7

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