Malicious PDF — malware analysis report

Static analysis result for SHA-256 e55d27a7a879c5e0…

MALICIOUS

PDF

40.1 KB Created: 2020-08-15 04:19:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 405b18f94766bf2454a7dd0d0ede7522 SHA-1: a3f4f7c278fc2074ebc5ba8d815d2999b44b31ca SHA-256: e55d27a7a879c5e0bbefa2bfefbc4decda42a03635cfeb44bedccd6c0d1f92be
120 Risk Score

Malware Insights

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

The PDF file contains a mass external link farm, with one URL identified as a known malicious redirector. The document body, though partially corrupted, contains the text 'Twilight graphic novel pdf español' and the malicious URL, suggesting a lure to trick users into downloading potentially harmful content. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • 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.com/pify?keyword=twilight+graphic+novel+pdf+espa%25C3%25B1ol
    • http://files.lyyskidesigns.com/uploads/1/3/0/7/130776503/tozabuga.pdf
    • http://vikevet.supherblendz.com/uploads/1/3/1/3/131384401/5c94e0.pdf
    • http://mukeve.bestinmidwest.com/uploads/1/3/0/7/130739048/duteneb-safuji-meguwerasakizo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuwuvedalolavotidexetugom.pdf
    • https://cdn.shopify.com/s/files/1/0431/6990/6844/files/gakozagabubolan.pdf
    • https://cdn.shopify.com/s/files/1/0428/0002/1667/files/76215024448.pdf
    • https://cdn.shopify.com/s/files/1/0434/3886/6584/files/p90x3_workout_calendar.pdf
    • https://cdn.shopify.com/s/files/1/0431/8298/1278/files/jixipakivurowive.pdf
    • https://cdn.shopify.com/s/files/1/0438/1540/3682/files/60286355846.pdf
    • https://cdn.shopify.com/s/files/1/0433/6238/6074/files/doxenozunufuze.pdf
    • https://cdn.shopify.com/s/files/1/0434/5790/4792/files/76819875213.pdf
    • https://cdn.shopify.com/s/files/1/0434/9073/8328/files/fusionner_macbook.pdf
    • https://cdn.shopify.com/s/files/1/0434/8362/7686/files/loxovupozalugu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2157/4049/files/29009178402.pdf
    • https://cdn.shopify.com/s/files/1/0428/9147/7148/files/modern_physical_organic_chemistry_anslyn.pdf
    • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/96725737168.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005ae6.bin
64ffc79dd45c00ac699ed11faaaad62a2e61509f20139cf821541f62915deb76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE6 5728 bytes
font_01_sfnt_off00006e2b.bin
319b52caa19f52a13e055a5d1c58ad0bb556d144cfbdf9b149e2e5dc3a29b74c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E2B 10452 bytes

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