Malicious PDF — malware analysis report

Static analysis result for SHA-256 e708fb34e78eb24b…

MALICIOUS

PDF

54.6 KB Created: 2020-08-31 06:29:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f8b917173a8ecd37fb4e471056abd67a SHA-1: 73abfc5a80993509e4959efcd45ab1cb384c2bce SHA-256: e708fb34e78eb24b8dda9519efe9361c523b04bf3f9a39d2bbac4f484570f087
128 Risk Score

Malware Insights

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

The PDF file contains a lure related to Indian Railways reservation cancellations, aiming to trick users into clicking a malicious link. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms that the embedded link points to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a broader campaign to distribute malicious content. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=indian+railways+reservation+cancella
    • https://cdn.shopify.com/s/files/1/0432/9432/6939/files/78412178822.pdf
    • https://cdn.shopify.com/s/files/1/0433/6173/0718/files/jerifubotokipil.pdf
    • https://cdn.shopify.com/s/files/1/0431/5847/0810/files/band_of_brothers_ambrose.pdf
    • https://cdn.shopify.com/s/files/1/0438/2906/7933/files/rijudutuwisezepole.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/brivo_access_control.pdf
    • https://static.usrfiles.com/ugd/b8c837_b2905813d1b94269b7e4016a43023e5c.pdf
    • https://static.usrfiles.com/ugd/0a51c1_2137a895c29b4b81975ce96222f66752.pdf
    • https://static.usrfiles.com/ugd/b8c837_43733c1196504b1db6c4a34a0a534cd8.pdf
    • https://static.usrfiles.com/ugd/8ba634_f7c9f50dd478485ab0c17358e86d5e75.pdf
    • https://static.usrfiles.com/ugd/b8c837_71205bbc53eb4b099c60c9424b31e795.pdf
    • https://static.usrfiles.com/ugd/e3ed1f_740cecbd5a4a4b7bb385400f953d7eb5.pdf
    • https://static.usrfiles.com/ugd/2f3ac6_e725b227927440c882183d9c556efd1f.pdf
    • https://static.usrfiles.com/ugd/b8c837_1cc46e79773e4ca88f972c0e9e8afe63.pdf
    • https://static.usrfiles.com/ugd/b8c837_a207f8817be44831a1eba6f3479d8ed8.pdf
    • https://static.usrfiles.com/ugd/a2d007_2016d6db41e94ccfac71d10e0e88dd4f.pdf
    • https://cdn.shopify.com/s/files/1/0436/5467/6645/files/certificate_design_format_in_ms_word.pdf
    • https://cdn.shopify.com/s/files/1/0435/6803/8047/files/header_footer_template_bootstrap.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007192.bin
7c180fdd2a2f516651ab10abadddf18e7a4418528ff0c277c54d740d53bc9500		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7192 5124 bytes
font_01_sfnt_off00008321.bin
443e5967ab585930a976bbf78da5c8aee3cd23ea0f60d1a718016a417011a755		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8321 11876 bytes
font_02_sfnt_off0000aa53.bin
ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAA53 16164 bytes
font_03_sfnt_off0000bfa8.bin
11bf571f0af05367446b2020c2f1c6267491649bc48117454eca19867f219dc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBFA8 2752 bytes

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