Malicious PDF — malware analysis report

Static analysis result for SHA-256 116dab4910cb3510…

MALICIOUS

PDF

50.0 KB Created: 2020-07-29 20:10:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 90867442cdbc456b7fb1a78532417a16 SHA-1: 42af30e30a834a1f0310beb241b237ed8e16cfac SHA-256: 116dab4910cb3510065e17afe80a25e31f796c73406cc27d5677b4fb4b95c89f
194 Risk Score

Malware Insights

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

The PDF contains a large number of links, many pointing to a redirector service, suggesting a link farm designed to phish for downloads. The heuristic PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK indicate the document's primary purpose is to distribute malicious content through a deceptive link structure. The ML classifier also strongly flagged this PDF as malicious.

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=agile+principles+and+mindset+pdf In PDF document text
    • http://files.balancedespitethechaos.com/uploads/1/3/0/9/130969817/mevobaxuwagowu_mavorivex.pdfIn PDF document text
    • http://files.qksnd.com/uploads/1/3/0/9/130969440/sanos-ragilikomago.pdfIn PDF document text
    • http://files.norwichmonument.com/uploads/1/3/2/6/132696304/noruf.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/1/0433/5537/3720/files/gipozaposuviveselovif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1403/7409/files/befekunimejedixam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7863/1072/files/18039754409.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1682/0635/files/84880458284.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1715/0357/files/tenomiruworelijumikiwidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6622/8898/files/73884943394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5031/9517/files/82169795395.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7708/4070/files/98556536902.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6280/4136/files/11045241672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/36396486552.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3355/9203/files/togazuxefo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5157/3657/files/xizutoja.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_off0000853a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x853A 5140 bytes
SHA-256: a01fda7a2a4ada976c7f97849438c2682290d7b96392e3f0d05f8e6d4b7d186e
font_01_sfnt_off00009693.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9693 10632 bytes
SHA-256: c2b14b4540c9fd9ea056a055871950858a5cff8bc0d35c3daff26072e63bc675

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