Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6a0694c829ab821…

MALICIOUS

PDF

44.4 KB Created: 2020-08-18 18:02:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95df82990e25dd0f5fe8e7a4b1620870 SHA-1: 4505debb0d35663bb61808d503f62716e61a21d8 SHA-256: d6a0694c829ab821605fe8071faf16d316e506e998e5cddbf001d3b8af80018b
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link that leads to a link farm of other PDFs, suggesting a phishing or scam attempt. The primary malicious URL is https://ttraff.com/pify?keyword=acura+tsx+manual+2012, which is designed to lure users into clicking further. The document body, though heavily obfuscated, contains references to the target URL and other PDF links, reinforcing the link farm tactic.

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=acura+tsx+manual+2012
    • http://viniwajar.lacremezeeland.com/uploads/1/3/1/0/131069934/jewizomumose.pdf
    • https://cdn.shopify.com/s/files/1/0429/7018/5879/files/watululafegagobokususu.pdf
    • https://cdn.shopify.com/s/files/1/0435/4431/4011/files/6th_grade_math_final_exam.pdf
    • https://cdn.shopify.com/s/files/1/0431/6200/9755/files/94254350306.pdf
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/child_and_adolescent_development_book.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/18185074294.pdf
    • https://cdn.shopify.com/s/files/1/0434/3313/2193/files/14062275465.pdf
    • https://cdn.shopify.com/s/files/1/0434/3883/3816/files/learning_opencv_3_application_development.pdf
    • https://cdn.shopify.com/s/files/1/0432/2718/5311/files/87900440449.pdf
    • https://cdn.shopify.com/s/files/1/0434/0996/5212/files/27553427545.pdf
    • https://cdn.shopify.com/s/files/1/0428/3485/4051/files/kinetics_of_condensation_polymerisation.pdf
    • https://cdn.shopify.com/s/files/1/0429/4891/9450/files/nenumu.pdf
    • https://cdn.shopify.com/s/files/1/0435/5306/3063/files/83035266700.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_off00006dd7.bin
cb79f14aaf55ba7e36d07fedd3f31182e92791ce72f5208487c6c3cd7d309119		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DD7 5328 bytes
font_01_sfnt_off00007fdf.bin
e5caa2fe35647c29e3bc6a520fe532704380975f0ca3c782198e24aac85ab09f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FDF 10896 bytes

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