Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd708ca9291e087b…

MALICIOUS

PDF

47.3 KB Created: 2020-08-20 19:27:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 53d0502719f5ccf316ff6c65c19d09db SHA-1: 75ff949dec6bea97367b92d3f1a8eba79951001a SHA-256: dd708ca9291e087bf90f761a4d6a3e631cef5084fac643971698adad856b6421
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=simple+small+business+plan+template+free'. This URL is embedded within the document body, disguised as a free business plan template. The file also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The primary malicious intent appears to be redirecting users to potentially harmful content through the ttraff.com domain.

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=simple+small+business+plan+template+free
    • http://files.priorityoneinc.com/uploads/1/3/0/8/130813899/tilidoxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1282/4993/files/46321670591.pdf
    • https://cdn.shopify.com/s/files/1/0434/1877/9815/files/rovorafolajibig.pdf
    • https://cdn.shopify.com/s/files/1/0428/4071/9516/files/74241288360.pdf
    • https://cdn.shopify.com/s/files/1/0430/9375/4009/files/13771435475.pdf
    • https://cdn.shopify.com/s/files/1/0434/3195/2536/files/calamity_class_setups.pdf
    • https://cdn.shopify.com/s/files/1/0433/9938/1157/files/fudakuzuvozepeduzesedag.pdf
    • https://cdn.shopify.com/s/files/1/0431/1305/4357/files/15298671001.pdf
    • https://cdn.shopify.com/s/files/1/0437/9269/5456/files/junit_report_cucumber.pdf
    • https://cdn.shopify.com/s/files/1/0429/9217/3217/files/ncert_maths_class_6_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0429/1294/0188/files/83133665388.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_off00006dab.bin
42f416b2f14bd8c2c4d3f6a8ccae43542c3e6c0db13bb96b2c98dda7c9511693		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DAB 5064 bytes
font_01_sfnt_off00007eb2.bin
873a8964d8a1b99d9e01420bd822504bbba901cdeaaec672ba47272db8db89d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EB2 10288 bytes
font_02_sfnt_off0000a1fd.bin
b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA1FD 4324 bytes

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