Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4064b96b1b8df59…

MALICIOUS

PDF

151.6 KB Created: 2020-08-22 16:41:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4c1f5ee4e1a7d1068665bd9705d58f25 SHA-1: bbc59ca836306eb28be9f4d2c5751ed9a421ab82 SHA-256: e4064b96b1b8df59ca10540d9891c34234f0cd104bc7dab29169d3246b545429
174 Risk Score

Malware Insights

MITRE ATT&CK
T1204 User Execution T1059 Command and Scripting Interpreter

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to serve a secondary payload. Additionally, the document body instructs the user to copy and paste content into a command-line interface, indicating a social engineering tactic to trick the user into executing commands. The embedded URL is the primary indicator of the malicious intent.

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.
  • 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=ecco+guidelines+crohn%2527+s+disease+2017 In PDF document text
    • http://files.hansenasphalt.com/uploads/1/3/1/4/131453574/668343.pdfIn PDF document text
    • http://files.solutionslocker.com/uploads/1/3/0/8/130815014/xitufamavit-lusuvuxifon.pdfIn PDF document text
    • http://jigilu.jasontabit.com/uploads/1/3/0/8/130814328/tilapetuj.pdfIn PDF document text
    • http://pexobem.musicatmainstreet.com/uploads/1/3/1/3/131384013/nigitamoxudon.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/1/0435/4267/5608/files/andrew_wk_party_hard.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/62042090741.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1482/3844/files/nexarotededufuluje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3711/1973/files/aviso_de_privacidad_formato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7917/9171/files/bwssb_merit_list_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9820/1502/files/fluid_catalytic_cracking.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5603/5990/files/soccer_hero_apk_day.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7129/7943/files/nikopevelonozidupot.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_off00020c17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20C17 5596 bytes
SHA-256: a07e71c92022e83b3f78a3bb7652fac4fe18aeb4f6aee7d4c303b50f2e8f2f1f
font_01_sfnt_off00021f23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21F23 16244 bytes
SHA-256: 7fd5ab992e51aad08dc380433bb7ebc8d885c2b3710ee0cbb5daca36f391e2e8

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