Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0cd1b8c7c74d2ad…

MALICIOUS

PDF

48.4 KB Created: 2020-09-01 03:30:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5579bd921f6a645b7a8ae48e626a8c44 SHA-1: 4f987fa2fbfb54bb47ebe072a98633be7f754125 SHA-256: f0cd1b8c7c74d2adceaf29bd9e735dc82474cf6519a28f022460547a15d7a913
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, a common tactic for SEO poisoning or redirecting users to malicious sites. One of the embedded URLs, 'https://ttraff.com/wix?keyword=busbar+system+pdf', is flagged as a known malicious redirector. The document body, though heavily garbled, contains keywords related to the PDF's purported topic and the malicious URL, suggesting a lure to a phishing or malware distribution site.

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=busbar+system+pdf
    • https://static.usrfiles.com/ugd/b8c837_78649abb3d80431f8a9bf0224a081a4f.pdf
    • https://static.usrfiles.com/ugd/8acad3_ab9b54e7358b4ab2a24f4607bd1cca9c.pdf
    • https://static.usrfiles.com/ugd/b8c837_92a9a8818da742069e763b7a136ede4c.pdf
    • https://static.usrfiles.com/ugd/93c935_e04b032667e442c0ad32fff8349b5740.pdf
    • https://static.usrfiles.com/ugd/0df15e_8967e6b88a2e4e87a2b779f1ebd49f1d.pdf
    • https://static.usrfiles.com/ugd/a91264_71a1161f2b304677af56c7058c4d7402.pdf
    • https://static.usrfiles.com/ugd/b8c837_a2b5aaeb50ce456799c34df60c86cbd5.pdf
    • https://static.usrfiles.com/ugd/0c268c_effd7b8b112847a3baa50496b519ee47.pdf
    • https://static.usrfiles.com/ugd/9c43ec_534a24be45cc4830aec75972b072042d.pdf
    • https://static.usrfiles.com/ugd/b8c837_9a36e93acd664a8b90e6c3864820f749.pdf
    • https://cdn.shopify.com/s/files/1/0431/6495/8879/files/bakepesoba.pdf
    • https://cdn.shopify.com/s/files/1/0463/3709/7889/files/jabariya_jodi_full_movie_480p_hdrip.pdf
    • https://cdn.shopify.com/s/files/1/0431/2249/1553/files/lujakoju.pdf
    • https://cdn.shopify.com/s/files/1/0431/6200/9760/files/adorno_dialectic_of_enlightenment.pdf
    • https://cdn.shopify.com/s/files/1/0435/9664/4511/files/72017024176.pdf
    • https://cdn.shopify.com/s/files/1/0430/3791/7333/files/bagpipes_music_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10699911966.pdf
    • https://cdn.shopify.com/s/files/1/0429/7061/1861/files/25482550196.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007082.bin
bd7a40c109780c7ffbd6c8b581c8ab694732e45c108153eaefd593e4473f9b6e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7082 5064 bytes
font_01_sfnt_off000081bc.bin
1ebeb517c99cd51d769b2e740c9ad41cb9338fddcd1d05a7a56bfb2d9fcbdb6a
pdf-font-stream PDF embedded font (sfnt) at offset 0x81BC 10424 bytes
font_02_sfnt_off0000a555.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3
pdf-font-stream PDF embedded font (sfnt) at offset 0xA555 4324 bytes