Malicious PDF — malware analysis report

Static analysis result for SHA-256 39204c01a876498a…

MALICIOUS

PDF

62.5 KB Created: 2020-08-14 18:32:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9f25e3b257d1807fde7d8e1119f15ed5 SHA-1: d5b64d12f4cbbeaf59419492dfdee0670fb1f920 SHA-256: 39204c01a876498a4d5d070a26eb3754466c55744cbc66282c646dfec4e70925
234 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=python+3+for+windows+10'. Additionally, a heuristic indicates a 'Clipboard command execution lure', suggesting the document instructs the user to copy and paste content into a shell. The document body, though partially corrupted, contains URLs that are part of a link farm, with one specifically identified as a malicious redirector.

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.cc/pify?keyword=python+3+for+windows+10 In PDF document text
    • http://files.scfsoftballclub.com/uploads/1/3/1/4/131454567/237483.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/1/0431/0119/2352/files/remove_blank_pages_scanned.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3464/8474/files/56221554728.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6176/3480/files/44402067825.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4244/6231/files/chooriyan_pakistani_full_movie.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2793/1029/files/35044570987.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/87678583334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2040/2343/files/24044882890.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0432/9127/files/kodaligebijogato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9819/3573/files/73922776889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6845/6102/files/capricho_arabe_guitarra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1172/6750/files/zadolapadefujoxudiwefop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28650507632.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3801/4616/files/zuvubonusowebezal.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 3

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_off0000b2d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB2D2 5308 bytes
SHA-256: f625091929884dd157194dd6ffb73624ab52c53fe11b49393f2e04fe1695b0d1
font_01_sfnt_off0000c4f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC4F2 12500 bytes
SHA-256: 02d773ac59b5445859e4c96e5450eaa085cdd67ef020e56c8e78a88906300b9a

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