Malicious PDF — malware analysis report

Static analysis result for SHA-256 6146809a751bf1a9…

MALICIOUS

PDF

41.5 KB Created: 2020-08-25 08:22:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1559dda63772d062539c9a264af822a0 SHA-1: 9c38a0e90a86631b8df2674c634eba08a2846c59 SHA-256: 6146809a751bf1a94d304ebffbc46b170abbd9cf2194614a5a458601ce43a1b3
194 Risk Score

Malware Insights

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

This PDF document contains a lure for a 'gaming graphics card' which redirects to a malicious URL, identified as a redirector. The document also contains a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs points towards a phishing or scam attempt.

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=gaming+graphics+card++for+windows+7 In PDF document text
    • http://files.molyneaux.com/uploads/1/3/0/7/130776602/bede8fcc.pdfIn PDF document text
    • http://files.andersonolineacademy.com/uploads/1/3/1/8/131858916/sekagedoko.pdfIn PDF document text
    • http://kibapa.artfix.info/uploads/1/3/1/8/131871449/gixenovemafawu_runowajen.pdfIn PDF document text
    • http://livepe.monicaqiu.com/uploads/1/3/2/6/132681670/2018147.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/1/0431/2956/9434/files/aspects_score_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9073/9361/files/lagukos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9322/1783/files/xetegijovigomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/gigilarujideg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2022/1607/files/zipozefobewilutakogesigug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0922/0501/files/free_html5_admin_templates_2019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6796/4580/files/wuluxefevudizinobekal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7860/3167/files/89264039573.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5477/4949/files/30233804197.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_off0000620d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x620D 5740 bytes
SHA-256: ac95c3a6589d26b7a4f7a1163abd49350dfe4cfe04cf1d9d552026e9b638a60e
font_01_sfnt_off0000757d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x757D 10484 bytes
SHA-256: da09c8d1da3dedb9976e5266a11572e3016836d0483ae00a39301d1a017921fb

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