Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e3b236f53376c1b…

MALICIOUS

PDF

45.6 KB Created: 2020-07-29 19:31:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f5d59604862500328250d5f6cc776504 SHA-1: 676de22d7271f958b7eb24e9eea7fb0701a3aae6 SHA-256: 0e3b236f53376c1bb38dbcdb5de0f612d89fd7bfa5f2a55640847c5169be3189
202 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The presence of a 'download button' lure further supports this. The embedded URL points to a redirector that is part of a known malicious infrastructure, likely used to distribute further payloads or lead to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=convert+kindle+kfx+to+pdf+online In PDF document text
    • http://files.ar-iraqueer.org/uploads/1/3/1/4/131411688/gojom.pdfIn PDF document text
    • http://files.visionkeeperart.com/uploads/1/3/2/6/132681885/kivesalidiwikib.pdfIn PDF document text
    • http://files.margaretmorrisonhighlanddance.com/uploads/1/3/0/8/130873921/740d4d0.pdfIn PDF document text
    • http://files.joemgallina.com/uploads/1/3/1/4/131453127/kadavuposalezu-lumapa.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/1/0428/1496/3868/files/bidujupakavorasakelepefun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9132/9173/files/robukiwekazez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8130/2167/files/jizida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9204741539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3531/9711/files/5527677245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4470/9276/files/96972962730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6681/7689/files/2143256499.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7236632937.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61403973964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5464/4894/files/12908026039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7632/1434/files/14689340122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8445/4817/files/49941511708.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 2

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_off000073e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73E4 4652 bytes
SHA-256: 73a95f7b4d55cc59eff54600db655269ca8f78baee6915e57547b2d1b49e9fbf
font_01_sfnt_off000083ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83CE 11144 bytes
SHA-256: 49f843b85d970a6f89d0c1a7d8851a91e848639142bf7d6a87d56aee268054cd

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