Malicious PDF — malware analysis report

Static analysis result for SHA-256 201c7096416799d1…

MALICIOUS

PDF

58.3 KB Created: 2020-08-24 04:41:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c147b8d11da905099a8f87584de5e094 SHA-1: 49eadb2927c799dc4536a5aa80263b90188f0d61 SHA-256: 201c7096416799d104d27a2b86549d2b9bd180b286d3e7f98d5cf219a061e75d
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector. This suggests a tactic of SEO poisoning or a phishing lure, aiming to drive traffic to malicious infrastructure. The presence of the 'ttraff.com' redirector URL is a strong indicator of malicious intent. No scripts were extracted from this sample.

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=anaplasmose+felina+pdf
    • http://files.whatshouldmykidsread.com/uploads/1/3/0/7/130776449/6682677.pdf
    • https://cdn.shopify.com/s/files/1/0431/7623/1063/files/12588044025.pdf
    • https://cdn.shopify.com/s/files/1/0438/1887/7085/files/company_brochure_samples.pdf
    • https://cdn.shopify.com/s/files/1/0436/3298/4222/files/apbt_books.pdf
    • https://cdn.shopify.com/s/files/1/0440/1420/7134/files/46805515571.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/36513510022.pdf
    • https://cdn.shopify.com/s/files/1/0427/9749/8535/files/99068265105.pdf
    • https://cdn.shopify.com/s/files/1/0432/3082/2555/files/50364403895.pdf
    • https://cdn.shopify.com/s/files/1/0436/9586/6010/files/zifusekevovidakejowimezu.pdf
    • https://cdn.shopify.com/s/files/1/0436/1761/6034/files/tenovalis.pdf
    • https://cdn.shopify.com/s/files/1/0440/6919/1832/files/generalized_binomial_theorem.pdf
    • https://cdn.shopify.com/s/files/1/0429/8565/2375/files/8410689389.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_off0000a7f2.bin
93bc7c6cad064c37b306abbfb2578596d253f6d2126352defee823a83af26e46		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA7F2 5080 bytes
font_01_sfnt_off0000b922.bin
7b14b3e28c10eb465c7afb74b6d76f3e52244a5dc63b544f249e7a0d8a88672e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB922 10384 bytes

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