Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1565c0fe22fe776…

MALICIOUS

PDF

36.9 KB Created: 2020-09-08 13:30:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 469024a32feb7081d4ce7ccdfde7d556 SHA-1: c691071365ff9ca3f90e8349bc05a89e159d451b SHA-256: b1565c0fe22fe776d2024a9dce72d74a23f083020e78fad9c99da4cdbc4f6a12
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.link/wix?keyword=tv+canales+de+mexico+apk'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The PDF also exhibits characteristics of a link farm, with numerous external links embedded, further supporting the malicious intent.

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.link/wix?keyword=tv+canales+de+mexico+apk
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48466687054.pdf
    • https://cdn.shopify.com/s/files/1/0431/7695/1965/files/john_deere_mt.pdf
    • https://cdn.shopify.com/s/files/1/0428/5769/3347/files/88990067545.pdf
    • https://static.usrfiles.com/ugd/c70c35_0f6509858d2f4273872a6f58e735e14b.pdf
    • https://static.usrfiles.com/ugd/dd4472_51a6755f601a449497b8a68504e2fcf3.pdf
    • https://static.usrfiles.com/ugd/739437_4abb0232b9e44745978f7b8596e4eb41.pdf
    • https://static.usrfiles.com/ugd/b8c837_de4e80c054064e80a40c774c694587f4.pdf
    • https://cdn.shopify.com/s/files/1/0433/8227/6250/files/fuvudukifavugofema.pdf
    • https://cdn.shopify.com/s/files/1/0433/1791/9912/files/moment_format_current_date_time.pdf
    • https://cdn.shopify.com/s/files/1/0435/1187/3688/files/sefab.pdf
    • https://cdn.shopify.com/s/files/1/0439/4621/3544/files/ff14_act_setup.pdf
    • https://cdn.shopify.com/s/files/1/0438/2231/7725/files/875941820.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vijufetibumumupaxewaromuw.pdf
    • https://cdn.shopify.com/s/files/1/0438/6599/7472/files/water_pollution_causes_effects_and_control_measures.pdf
    • https://cdn.shopify.com/s/files/1/0435/4460/8932/files/kadamban_tamil_movie_tamilgun.pdf
    • https://cdn.shopify.com/s/files/1/0440/1122/5246/files/ordinal_numbers_1_100_worksheet.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_off00005333.bin
d3347b175f703254f75dd4db6ba00483155a24203e9d01f86216f53c7e8acef4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5333 5264 bytes
font_01_sfnt_off00006514.bin
b26820f231dbe7d6b40acc9f0c7c123a37a66a1837275179e900f87a46211f4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6514 9888 bytes

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