Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4849b2a7264c7d5…

MALICIOUS

PDF

57.8 KB Created: 2020-08-10 08:46:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6fddc604234e67a6f8b9d5a78a795528 SHA-1: c994a9ef18c249636314af6bf6b019da350265ca SHA-256: f4849b2a7264c7d51e6e19eb8deeb94bf94702b0cc1b2dec20f23eaeaf711737
194 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, identified as a PDF link farm. One critical heuristic indicates a malicious redirector link, suggesting the document is designed to lead users to harmful content. The presence of numerous shopify.com and other file-hosting links points towards a potential SEO manipulation or content stuffing tactic to obscure malicious intent.

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=spironolactone+davis+pdf In PDF document text
    • http://files.josephpyfferoen.com/uploads/1/3/1/3/131398360/tipikukoxizesad_dofup_rezapakazunodif_nopege.pdfIn PDF document text
    • http://files.ianmichaelgood.com/uploads/1/3/2/6/132681931/fipuke_kagibugetoxa.pdfIn PDF document text
    • http://files.datumfoundation.org.uk/uploads/1/3/2/8/132815785/kipelutibe.pdfIn PDF document text
    • http://files.artronshop.com/uploads/1/3/0/8/130814121/6732610.pdfIn PDF document text
    • http://fesupup.rex-peoples-choice.com/uploads/1/3/1/3/131380213/matigar_kesamukoze_gikuva.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/1/0430/8919/9268/files/15614126719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4066/9849/files/64241677165.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5663/3758/files/logan_lathe_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0668/0484/files/pimojawijumiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1712/3486/files/39617832551.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0316/6370/files/sikutujaveziwaponexutiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5244/9444/files/jofaxazinapubop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8512/8099/files/jawijitenizotuzafizawaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5015/5688/files/10312119836.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9739/0244/files/fuxid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1648/6040/files/mabinej.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_off0000a4f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4F9 5312 bytes
SHA-256: fd5c13a9cd63f57953cffb55aeecf183697180ba28fe331f3d5d92f0679992bb
font_01_sfnt_off0000b71c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB71C 10336 bytes
SHA-256: 970b443101cf2861ec9036eae7f81217ace0762d9f54d4cda7bb14893d2601b7

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