Malicious PDF — malware analysis report

Static analysis result for SHA-256 366e0a46074abea0…

MALICIOUS

PDF

42.4 KB Created: 2020-08-30 21:59:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a34366327a4d87dc5a820b4289f3be64 SHA-1: 679b90443c09a4af1cc7f3b8ef7fe1a88429b0a4 SHA-256: 366e0a46074abea0496380662ae1565eee129d846e9337ab88ccc7b738a66504
150 Risk Score

Malware Insights

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

The PDF contains numerous links, with one prominent link pointing to a redirector associated with malicious activity. The document body, though heavily obfuscated, contains text related to 'Gta san andreas multiplayer mod pc d' and the malicious URL, suggesting a lure for users to download potentially harmful content. The presence of a malicious redirector link and the link farm heuristic strongly indicate a phishing or social engineering attack.

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/wix?keyword=gta+san+andreas+multiplayer+mod+pc+d
    • https://cdn.shopify.com/s/files/1/0429/5006/6339/files/21805841154.pdf
    • https://cdn.shopify.com/s/files/1/0431/5981/4306/files/aocs_official_method_cd_11b_91.pdf
    • https://cdn.shopify.com/s/files/1/0463/7858/2171/files/kidalik.pdf
    • https://cdn.shopify.com/s/files/1/0429/9620/3679/files/86062208171.pdf
    • https://static.usrfiles.com/ugd/912de2_5c5043adde954e2d911b5ccbfa7e7d5c.pdf
    • https://static.usrfiles.com/ugd/b8c837_16bf48bd082c452bb919ec2e4d5c69ff.pdf
    • https://static.usrfiles.com/ugd/b8c837_452a67ee03204b04ad540fb7f604c35f.pdf
    • https://static.usrfiles.com/ugd/f84671_f2829a57d3b84304b4ba6cf01f0e743e.pdf
    • https://static.usrfiles.com/ugd/b8c837_3c7a8624810c4fc7b5cca814b49d31e9.pdf
    • https://static.usrfiles.com/ugd/b8c837_774e34e6324e41a6bbdb3a5d74b2e37a.pdf
    • https://static.usrfiles.com/ugd/b8c837_424092784b1441f19ed5e9047d8dc79f.pdf
    • https://cdn.shopify.com/s/files/1/0463/0895/0176/files/airtel_data_plan_for_android_codes.pdf
    • https://cdn.shopify.com/s/files/1/0436/2030/3011/files/serazif.pdf
    • https://cdn.shopify.com/s/files/1/0430/2897/1674/files/88912641243.pdf
    • https://cdn.shopify.com/s/files/1/0434/0216/6428/files/understanding_power_chomsky.pdf
    • https://cdn.shopify.com/s/files/1/0428/7994/2812/files/polymer_chemistry_hiemenz.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_off0000671e.bin
8af9e9ec674b6a97738d92dc9a0634fa4c5da7545c83604cf18ed9b1b119ca2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x671E 5352 bytes
font_01_sfnt_off00007940.bin
95b6cdb3886bc2fafda6d8d66b3f768934b920a58d73c7b4424ad8bddb1cd9b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7940 10356 bytes

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