Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9342c3445cacfe1…

MALICIOUS

PDF

69.4 KB Created: 2020-09-06 03:09:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1efa9b2ca8a9be05e07c2b3c446bbe2f SHA-1: 61c8838e22e47011fab224858cd613d3f62f20dd SHA-256: a9342c3445cacfe1cc86efd6fb9c67569a2774150f1bd37e35e6bad6572a9843
234 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains a lure related to 'Hackintosh guide' and embeds a large number of links, including a critical redirector link to ttraff.club. The document body also explicitly contains the malicious URL and several benign-looking Shopify URLs, suggesting a link farm or redirection strategy. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document may also instruct the user to execute commands, likely to facilitate the download or execution of further payloads from the malicious URL.

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.club/wix?keyword=hackintosh+guide+how+to+install+mojave In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0476/4068/files/roxopipowapofunun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0777/7702/files/54456113158.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1126/0062/files/49880297669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2230/2888/files/75220461635.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7607/3125/files/how_to_convert_arabic_to_english.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d775a9_d20c39bafbc54935a3a9ec307c3790f9.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/a382ee_79e78b682d40418eb1ab53b8cdd269df.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5a1791_268134f6f0c6417da4796dccb1a1acee.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2226/2178/files/sazuxuxorotobililevu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/rawovasadejuwameb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4742/6975/files/94760606738.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5630/8123/files/free_printable_monthly_business_expense_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0111/6833/files/xomobavonozozuxez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5772/3030/files/system_dynamics_3rd_edition_palm_mcg.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

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bab8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAB8 5392 bytes
SHA-256: 2ade7b5c17bc9737e3da6777216cf488044b88e618ded66f06e36eea518f7044
font_01_sfnt_off0000cced.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCED 2236 bytes
SHA-256: 4673df62f83c90a4a8b175f4a29f68dd27e8b155ac9c6a456a294eea89c3893f
font_02_sfnt_off0000d719.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD719 10152 bytes
SHA-256: 833f0774b640a2bfa1bc9b6c56fab4151be0d046bb86cc913c872922574a5abe
font_03_sfnt_off0000f9e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9E7 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2