Malicious PDF — malware analysis report

Static analysis result for SHA-256 d80d6fee476a2639…

MALICIOUS

PDF

41.6 KB Created: 2020-08-12 06:10:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0292b522fac1a4dc16e20cbdb3add4fe SHA-1: 71faf09c1148b6a773dc9d1cc7bbdb08d350eb79 SHA-256: d80d6fee476a26391d1a86bd378e1f41319ccfd6fc13d086cc66c2926201373b
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL and references to 'Ashampoo pdf free', suggesting a lure to download or interact with malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=ashampoo+pdf+free+1.+1.+0
    • http://fijosapa.gibraltarastronomy.co.uk/uploads/1/3/1/4/131483027/aa0aede9e.pdf
    • http://files.scortinoandson.com/uploads/1/3/1/6/131637357/wedumud.pdf
    • http://files.rhepta.org/uploads/1/3/1/3/131378918/faxejojijo.pdf
    • https://cdn.shopify.com/s/files/1/0435/4742/6975/files/38328252275.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/systems_thinking_book.pdf
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/teori_psikologi_behavioristik.pdf
    • https://cdn.shopify.com/s/files/1/0431/3363/2661/files/pominuwuzed.pdf
    • https://cdn.shopify.com/s/files/1/0438/9493/1624/files/2789372722.pdf
    • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/pasalikijojezileda.pdf
    • https://cdn.shopify.com/s/files/1/0438/2107/2546/files/dk_guide_to_public_speaking_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/3242/0264/files/tratamiento_fisioterapeutico_para_nervio_ciatico.pdf
    • https://cdn.shopify.com/s/files/1/0428/1230/9671/files/pagitilawujatubafo.pdf
    • https://cdn.shopify.com/s/files/1/0430/3300/2145/files/29567259861.pdf
    • https://cdn.shopify.com/s/files/1/0431/6859/6123/files/2417805709.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_off000064c6.bin
6478a3717a7c984e0a566ed7405026b149f8fb9bfc7a428f8d0de68073d8a3ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64C6 5464 bytes
font_01_sfnt_off0000773b.bin
93d9835fef6c0b34718aa07a6900701bd73f558bcdf6df7b67aee510f37e1b25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x773B 10040 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.