Malicious PDF — malware analysis report

Static analysis result for SHA-256 47406fc315cad83b…

MALICIOUS

PDF

55.0 KB Created: 2020-08-31 09:48:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2d40cc23725ed17aa4b23281d2ab4cff SHA-1: 8f0ded1813f9c97f62ba4dc38ef4edaed7e6ec56 SHA-256: 47406fc315cad83bc3a979e41826cf65d6e7d17efdbd1fae3a1fb306f58e81ea
130 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary link to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'The gunslinger quotes' and the URL 'https://ttraff.com/wix?keyword=the+gunslinger+quotes', suggesting a lure to a malicious site. The presence of numerous other PDF links further supports the link farm heuristic.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=the+gunslinger+quotes
    • https://static.usrfiles.com/ugd/83b1b3_5db8d05265e84794a2e3596570a135b9.pdf
    • https://static.usrfiles.com/ugd/9219f8_cc54cb97ae794779b854c9f38f758cc7.pdf
    • https://static.usrfiles.com/ugd/b47706_65160d089a9649c08ec2f3c0cfdc4281.pdf
    • https://static.usrfiles.com/ugd/b8c837_3b8570033c1c410996df5bb174229800.pdf
    • https://static.usrfiles.com/ugd/fa6f14_1d8e17aefc624c95bc9f1970de42e8ff.pdf
    • https://cdn.shopify.com/s/files/1/0430/3981/7890/files/polevoxidezumowonu.pdf
    • https://cdn.shopify.com/s/files/1/0434/3873/5517/files/87989060286.pdf
    • https://cdn.shopify.com/s/files/1/0431/7259/3821/files/lady_bird_lead_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/6759/6184/files/javaronamudodul.pdf
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/zofoxow.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_off00009bc3.bin
450c4deda147779a7667580aa1048d078ba82a449842348438380728e97316ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9BC3 4812 bytes
font_01_sfnt_off0000ac1d.bin
0baf6fd99f5c4ebc5a40d9dc0d11cdf15479bc81aca4f53ed31d723fb1f06fc4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC1D 10428 bytes

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