Malicious PDF — malware analysis report

Static analysis result for SHA-256 e684e72fe5578042…

MALICIOUS

PDF

48.0 KB Created: 2020-08-21 17:32:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 678d261af7cc7f36282d74d22e0ea1f3 SHA-1: 1aaed6af1731c45ea6d0587ac34ec1ba66c6e96b SHA-256: e684e72fe5578042727313029330ca9bf70f35a8c22fe6a557d974aab567f98c
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one heuristic identifying it as a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the target of the redirection. This suggests a phishing attempt where the user is tricked into downloading a malicious file or visiting a compromised 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.cc/pify?keyword=manager+roles+and+responsibilities+pdf
    • http://files.paulblatherwickpropertyservices.com/uploads/1/3/1/1/131164350/kewilenafidu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7519/0430/files/89526571450.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/60134685635.pdf
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/vikuwosumepusiwati.pdf
    • https://cdn.shopify.com/s/files/1/0429/5458/8316/files/carpentry_and_joinery_paul_hasluck.pdf
    • https://cdn.shopify.com/s/files/1/0434/4204/5090/files/bixler_3_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/6761/3087/files/20293076245.pdf
    • https://cdn.shopify.com/s/files/1/0431/6046/9660/files/employee_performance_appraisal_examples.pdf
    • https://cdn.shopify.com/s/files/1/0437/4321/5767/files/70980753417.pdf
    • https://cdn.shopify.com/s/files/1/0454/2916/2152/files/list_of_botanical_names_of_plants_with_common_names.pdf
    • https://cdn.shopify.com/s/files/1/0437/4292/0869/files/espar_heater_manual.pdf
    • https://cdn.shopify.com/s/files/1/0435/3314/0127/files/94192713485.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_off00007e26.bin
eef9af054df864f3ce247665246c22df0b9055c1ff02963130b9b69e177fa484		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E26 5352 bytes
font_01_sfnt_off00009066.bin
4fa0bc9c248806f5d3cbed91582da0fa307580e953ba4f8592f4907d9ff9d843		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9066 10120 bytes

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