Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f3617f73bb67e1b…

MALICIOUS

PDF

60.6 KB Created: 2020-08-15 02:07:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 881454b37958b758c845ed46808a28ae SHA-1: 779c5fc0169d1c0caff89f51614ee3af74dc6710 SHA-256: 7f3617f73bb67e1b6d73cb09668e02cc5ecabb3bacb039ed4cb2b13a9caa0b01
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=facebook+ads+manager+guide+pdf, which is the primary indicator of malicious intent. This suggests the document is designed to trick users into visiting a malicious site under the guise of providing a guide.

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=facebook+ads+manager+guide+pdf
    • http://files.palermiscollection.com/uploads/1/3/2/6/132681378/fuxubidatesivi-tewojugedodajer.pdf
    • http://nusogebo.thehistoricallouezsociety.org/uploads/1/3/0/8/130814729/1076252.pdf
    • http://files.k9ssolutions.com/uploads/1/3/2/6/132682745/gogoza.pdf
    • https://cdn.shopify.com/s/files/1/0432/6624/4766/files/monitronics_alarm_system.pdf
    • https://cdn.shopify.com/s/files/1/0432/9301/6232/files/gezebirofolumifovotujopef.pdf
    • https://cdn.shopify.com/s/files/1/0440/3740/6870/files/lenuworexofizujeg.pdf
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/21249947549.pdf
    • https://cdn.shopify.com/s/files/1/0433/5858/4986/files/namakam_chamakam_in_kannada.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7870/files/64599918950.pdf
    • https://cdn.shopify.com/s/files/1/0437/6562/9077/files/logical_fallacies_chart.pdf
    • https://cdn.shopify.com/s/files/1/0431/7439/6063/files/auriol_std_black_font_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51106899687.pdf
    • https://cdn.shopify.com/s/files/1/0431/6564/7012/files/12649901586.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_off000098bc.bin
94598214f6c7721d1e9124fb231fc570d24dd7673c50092b16da7c021315d3ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x98BC 5600 bytes
font_01_sfnt_off0000aba8.bin
fc5be0048dc6ed36f00e3fcd4f9884b5e737d426120b88d9a5cbac4e42d64737		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABA8 10616 bytes
font_02_sfnt_off0000cff1.bin
52f9cc2ba8b6a7631d3be955e05ffd4eef8a1a88483b81054cf77f6ae8c2f0f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCFF1 16348 bytes

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