Malicious PDF — malware analysis report

Static analysis result for SHA-256 b01b7e635a5924ce…

MALICIOUS

PDF

40.1 KB Created: 2020-08-19 02:27:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8827140f77c0133fa69d1ac6a869285d SHA-1: 7ff9001d84e87651bd0803f8906aac3e6b7bea81 SHA-256: b01b7e635a5924ce59db9921b4febe637417d21afe723acc6bcb8ee0f92ccd9b
120 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a common tactic for SEO poisoning and redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, specifically 'https://ttraff.cc/pify?keyword=license+plate+recognition+software+free'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to trick the user into clicking this link, likely leading to malware download or a phishing page.

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.cc/pify?keyword=license+plate+recognition+software+free
    • http://jizuzil.techniquedancecompany.com/uploads/1/3/1/3/131379951/mefakozowilujosa.pdf
    • https://cdn.shopify.com/s/files/1/0430/8179/3698/files/effective_email_writing_skills_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/famulogux.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tikodizexosuva.pdf
    • https://cdn.shopify.com/s/files/1/0430/6498/3703/files/45115128348.pdf
    • https://cdn.shopify.com/s/files/1/0433/7503/4524/files/honda_fit_2014_manual.pdf
    • https://cdn.shopify.com/s/files/1/0434/6403/2422/files/45114401323.pdf
    • https://cdn.shopify.com/s/files/1/0428/7810/7811/files/45253161179.pdf
    • https://cdn.shopify.com/s/files/1/0431/9897/2066/files/ziminifiteg.pdf
    • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/experience_letter_format.pdf
    • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/archimedes_principle_lab_answers.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_off00005e41.bin
8014b23d74e04ab906812aaca6e98d955f79b75d0b9edbedea0b30318909f15d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E41 5216 bytes
font_01_sfnt_off00007019.bin
440a17e5eee02726def5bf55e135026a30621678ee54a95b776d70a9d9515c2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7019 10260 bytes

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