Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5475620fff1f548…

MALICIOUS

PDF

53.2 KB Created: 2020-08-31 15:45:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c1d86104b7b34dc8cc6049eb0e4ada4 SHA-1: 25bad2fb09c8fcb0161d4ce3e2855cd0f2f7aeba SHA-256: f5475620fff1f548bfee67af2a1a0e10e3e1b28aae41bd619052209ceff7b31d
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic firings indicate that this PDF is part of a link farm, likely designed to lure users to malicious sites. The presence of the URL 'https://ttraff.me/pify?keyword=camera+hdr+camera' strongly suggests a phishing or malware distribution attempt.

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.me/pify?keyword=camera+hdr+camera
    • https://static.usrfiles.com/ugd/912de2_fc676153733042b0b51a0fa2a54fb9af.pdf
    • https://static.usrfiles.com/ugd/b8c837_345a2890becb4ebc98417d0748cca333.pdf
    • https://static.usrfiles.com/ugd/7dd30d_02675a4e43254edebb8da9a8699527e0.pdf
    • https://static.usrfiles.com/ugd/5360f8_3dcf6bc7f6f940b399dc2b27ae253f3e.pdf
    • https://static.usrfiles.com/ugd/b8c837_729d092be7254e4cacead38842b70740.pdf
    • https://static.usrfiles.com/ugd/ca9b0a_200ddab56874422ca3fea10877447ea3.pdf
    • https://static.usrfiles.com/ugd/b8c837_c4e7399ef10f49729aac82d6bcbcfe2c.pdf
    • https://cdn.shopify.com/s/files/1/0430/8120/3873/files/mejedazone.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zijuk.pdf
    • https://static.usrfiles.com/ugd/0c268c_ea3abf69f28447bcbd3141d18b3d5cbe.pdf
    • https://static.usrfiles.com/ugd/b8c837_bb0b269674d1435fa64e45e31a845c02.pdf
    • https://static.usrfiles.com/ugd/eb4c03_9efeeaabd5d245fb8fc4cbd57e93c7aa.pdf
    • https://static.usrfiles.com/ugd/8de238_b106d47ec369493b8731bcf81a287f41.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_off000094e3.bin
dbe562719c786acd3a1eb61f28187056fa373b9593306c144400e47174555cd6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x94E3 4872 bytes
font_01_sfnt_off0000a540.bin
46b48462bef1072131339b91e13415a4dbea175e5b11816c7a6f7ed6b63aea6a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA540 10232 bytes

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