Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e3624d9552eaf73…

MALICIOUS

PDF

40.3 KB Created: 2020-08-12 01:59:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9882b7aa0808040ebf5027bd3b1d793b SHA-1: 6185827d40d90c803cc193bc11602afc707b0a1d SHA-256: 8e3624d9552eaf73503814fb0c1106f9a2c45cc7ac6b34c94e81513299c07865
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains, indicating a link farm. One of the primary links, 'https://ttraff.com/pify?keyword=ceramic+capacitor+code+chart+pdf', is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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=ceramic+capacitor+code+chart+pdf In PDF document text
    • http://files.monicalrosen.com/uploads/1/3/2/7/132710632/fidozugefaz_rowuferovitofe_balekepisutaj_wamosugesowi.pdfIn PDF document text
    • http://files.njjba.com/uploads/1/3/2/7/132712545/9be1bd198d56.pdfIn PDF document text
    • http://files.dancerciseuk.com/uploads/1/3/1/4/131406258/xuremakerul.pdfIn PDF document text
    • http://files.genesiseventsinc.com/uploads/1/3/0/9/130969469/8579880.pdfIn PDF document text
    • http://files.pontyclunchiropractor.co.uk/uploads/1/3/0/7/130738752/b51169b1b530.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/1/0431/6289/4498/files/31688804190.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6460/4310/files/74925394020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6077/2515/files/jedazigezemevolozorames.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9671/7992/files/rizedabixasovomekimuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3188/8021/files/660701055.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3575/3639/files/69176108763.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7383/1073/files/tratamento_da_ascaridase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5486/6337/files/zidorur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9302/5183/files/mezifakamazeviruxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6986/6141/files/mamiresogotuzomedodave.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2670/1718/files/leduxanopedadarero.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2351/6323/files/34029492092.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5113/8715/files/67860642659.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 7

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_off00005fe3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE3 5088 bytes
SHA-256: e9c3557197aa3c58d2b907dc59939e589915f267751b4ed7cde5b20a307b4ce8
font_01_sfnt_off00007108.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7108 10916 bytes
SHA-256: 03699cc84ed3dc8479ac1687a5dec995c37203de6cdfc5a64029349d596bd893

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