Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c32514d39dd8756…

MALICIOUS

PDF

39.4 KB Created: 2020-08-03 00:50:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f6466ea27714d8a67b867044feabf836 SHA-1: c14955ee1267f95a84ac1f119c7f08fb33e6aa5a SHA-256: 3c32514d39dd8756f4307f937219cc9c98a2f36e77367951809b5139ce05993a
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a large number of embedded links, many pointing to a redirector URL, suggesting a link farm or phishing campaign. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document may also attempt to trick users into executing commands. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector and potential phishing or malware distribution.

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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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.ru/pify?keyword=push+to+new+github+repo In PDF document text
    • http://files.arclightrentals.com/uploads/1/3/1/4/131453302/tilibap.pdfIn PDF document text
    • http://files.firtreebarn.com/uploads/1/3/1/1/131164387/2290743.pdfIn PDF document text
    • http://files.thefalconerfoundry.com/uploads/1/3/1/6/131637186/9a20d064585c.pdfIn PDF document text
    • http://files.soulauthority.net/uploads/1/3/0/7/130739258/kutejogukipif_xejefo_zosipume.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/1/0431/2032/8865/files/51371780659.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5820/0725/files/xagitif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5772/3030/files/twenty_eight_the_weeknd_mp3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7088/1946/files/75789503111.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5214/6587/files/73370609066.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8665/8213/files/zukumomasigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4322/5751/files/24987052109.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1231/6584/files/84000925260.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6274/7548/files/88650817670.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0958/8897/files/mowuzab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3733/5464/files/35527343837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4264/1832/files/52665341910.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 4

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_off00005b8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B8F 5072 bytes
SHA-256: ffc88c7a0c1af780a169d9dc482dcbbc2393a74d140a666b77c3864e3237af16
font_01_sfnt_off00006ce1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE1 10608 bytes
SHA-256: eaee66cd56d8a2ce3c0512ff5f7a92b8da20018f6471133ff79e19f5f20a92db

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