Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab3f000c11012727…

MALICIOUS

PDF

38.7 KB Created: 2020-08-28 12:59:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a57fb7a497641fd8bbd1e5829b3da89 SHA-1: 597a27226d09f9198df56aead03eed7906432886 SHA-256: ab3f000c110127278ba55a3e530e954e8ca0cdc822629eeef9fdd85dcbd628f7
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF link farm. The primary malicious URL, https://ttraff.com/pify?keyword=bus+9110+orly, is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains this URL and other links pointing to Shopify and various other domains, suggesting a campaign to distribute malicious content or manipulate search results.

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=bus+9110+orly
    • http://binalom.vinoetamicis.com/uploads/1/3/1/4/131406821/1425fc6c8d4.pdf
    • http://files.silvercreekbiblefellowship.com/uploads/1/3/2/6/132695445/f00e9f5a6f76a.pdf
    • http://jukobur.sciencehillbaseball.com/uploads/1/3/0/8/130874429/ruvix_zovizuza_dimuxexitase_wovivi.pdf
    • http://kitujiluk.childrensbookacademy.com/uploads/1/3/0/8/130874376/vejomunavoro.pdf
    • http://files.powerbodyfitnessinc.com/uploads/1/3/1/4/131407901/gogofenelujoxexezi.pdf
    • https://cdn.shopify.com/s/files/1/0440/3416/2853/files/47298639355.pdf
    • https://cdn.shopify.com/s/files/1/0430/1901/0201/files/vesedazerises.pdf
    • https://cdn.shopify.com/s/files/1/0435/7727/8627/files/catastrophe_theory_ielts_reading_pas.pdf
    • https://cdn.shopify.com/s/files/1/0438/4204/4066/files/notes_page.pdf
    • https://cdn.shopify.com/s/files/1/0433/6805/4949/files/rizefalezekopusajixiwofoj.pdf
    • https://cdn.shopify.com/s/files/1/0440/6280/2070/files/mabadunovelawoxaxafi.pdf
    • https://cdn.shopify.com/s/files/1/0435/5119/5299/files/kazitiwiwifozatunituzo.pdf
    • https://cdn.shopify.com/s/files/1/0436/8905/0265/files/26462973257.pdf
    • https://cdn.shopify.com/s/files/1/0431/1715/0357/files/dalikimofuxoluwelusazija.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/miveguxuxububepevomozit.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_off000054a5.bin
9526d7cde6976be9a163f8ce3e81921521ea8aec50d1e4cd3bdf05e8d42447c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54A5 4968 bytes
font_01_sfnt_off000065aa.bin
917cbc35b0148ef4a4ce142e0d2134468ad2116854e59c8b6e72e9bc00443e3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65AA 12832 bytes

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