Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f26e43c0b639b31…

MALICIOUS

PDF

41.3 KB Created: 2020-08-26 01:01:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 75f3564de833e823b29837b62ec5caf9 SHA-1: c1418b044a7fc2a3f958996f75210a0428d9525a SHA-256: 2f26e43c0b639b310a4237c9257ead2e8e2112c2c06869dadccdc64e4891adf7
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, a technique often used to create link farms for SEO poisoning or to distribute malicious content. One of the embedded URLs, https://ttraff.com/pify?keyword=florian+poddelka+naked, is flagged as a known malicious redirector. The document body contains garbled text but includes the malicious URL and several benign-looking Shopify URLs, suggesting a lure to disguise the malicious intent. No scripts were extracted from this sample.

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=florian+poddelka+naked
    • http://jomerid.sophiewarner.co.uk/uploads/1/3/0/8/130874388/3540778.pdf
    • http://files.the-corner-lodge.com/uploads/1/3/2/3/132302907/narasuvedazamup_sonanofos.pdf
    • http://files.caboconcierge.co/uploads/1/3/1/4/131452904/11fa8.pdf
    • http://tamifa.whikdhawaii.com/uploads/1/3/1/6/131637308/zibejazuzutavusatanu.pdf
    • http://gisujutom.twigtravel.com/uploads/1/3/1/6/131606349/a7decfe8df7b27.pdf
    • https://cdn.shopify.com/s/files/1/0437/5887/8872/files/samsung_rf263aers_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/5442/3445/files/kuxowugijunam.pdf
    • https://cdn.shopify.com/s/files/1/0430/9050/9977/files/18767013934.pdf
    • https://cdn.shopify.com/s/files/1/0430/0147/9321/files/fabupisexomepotox.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/lalopivetakuvevexu.pdf
    • https://cdn.shopify.com/s/files/1/0434/9440/8357/files/64360537340.pdf
    • https://cdn.shopify.com/s/files/1/0434/5597/1480/files/51099124377.pdf
    • https://cdn.shopify.com/s/files/1/0431/4716/5850/files/historia_liberalismo.pdf
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/types_of_list.pdf
    • https://cdn.shopify.com/s/files/1/0434/4250/3832/files/fipegegabonalokafesi.pdf
    • https://cdn.shopify.com/s/files/1/0449/3488/9627/files/emotional_development_during_adolescence.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_off000063e5.bin
e54fd8d5cc30a3a2008149de65669133255c6c5b30648f9a42119f2bf5ed9e81		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63E5 4796 bytes
font_01_sfnt_off0000743b.bin
98ecb85902cf90c1329ea454facd4590512d2406f650fec4f13e84732cd0b869		 pdf-font-stream PDF embedded font (sfnt) at offset 0x743B 10660 bytes

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