Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f0caed323f1f7c6…

MALICIOUS

PDF

44.3 KB Created: 2020-08-12 04:25:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 80000240e2daca365e9cac4f71fd74e0 SHA-1: 07fcee96f44e3dda2b47498c6379f7b512fd5ce0 SHA-256: 5f0caed323f1f7c68e7743f4c66aff646c4e6360778b8d4d8aa5295092943722
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external PDFs, many of which are hosted on Shopify and appear to be part of an SEO link farm designed to drive traffic to a redirector. The primary redirector URL, https://ttraff.cc/pify?keyword=gibson+learn+and+master+guitar+lesson+book+pdf+free+download, is flagged as malicious. This suggests the document is part of a phishing or scam campaign, likely using a lure related to free downloads to trick users into visiting malicious sites.

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=gibson+learn+and+master+guitar+lesson+book+pdf+free+download In PDF document text
    • http://files.guadalupeblinds.com/uploads/1/3/0/7/130775950/lonipapipedu.pdfIn PDF document text
    • http://jozot.bebebreaphotography.com/uploads/1/3/2/6/132681946/5009740.pdfIn PDF document text
    • http://gijaz.silvertonmanorapartments.com/uploads/1/3/0/7/130739860/5676147.pdfIn PDF document text
    • http://files.degraaffdesign.com/uploads/1/3/2/7/132712129/rupufuk-wobaxiwi-nirosuvuzugik.pdfIn PDF document text
    • http://files.karaikudivoyage.us/uploads/1/3/1/4/131453485/6635c.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/1/0431/9212/3560/files/piriletinexatadorekuguf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8650/3326/files/8262288843.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/0701/1998/files/uncommon_valor_cast.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8233/3856/files/sovusogepimuwiridabina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1909/files/21001100814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3506/5505/files/11529735382.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4351/1706/files/mysql_date_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4089/0265/files/gozedofazemerebeto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/mixexebipofekij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9923/5228/files/niwavunudifef.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_off00006dcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DCB 5688 bytes
SHA-256: 7d1598ccc429abae06ee84f20328422e1fa034953f95e1db7d28afed09a1e8b2
font_01_sfnt_off00008122.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8122 10144 bytes
SHA-256: 40af4ce9daee7c1129eb040b7abba2d26ea2cca33273b508ee5c1144a37747bf

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