Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2482fa51d585673…

MALICIOUS

PDF

52.2 KB Created: 2020-08-04 20:48:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 97896d5b7514063eb3e79f88b8fddf98 SHA-1: a46ec1fe0f1f4edae46e3e22cb876cfd012db7ca SHA-256: f2482fa51d585673e1d35783a42bc0b36e2a21cde6a45d08f676d593e065ffe5
150 Risk Score

Malware Insights

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

The PDF contains a lure for a "Canon eos 6d manual pdf download" and embeds a large number of external links, many pointing to Shopify. One of these links, https://ttraff.ru/pify?keyword=canon+eos+6d+manual+pdf+download, is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be a link farm designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=canon+eos+6d+manual+pdf+download
    • http://files.jinternship.org/uploads/1/3/2/6/132682124/defawopovedala.pdf
    • http://files.tiesthatbindstore.com/uploads/1/3/0/8/130813834/nemolemedetitekare.pdf
    • http://files.effinghamstables.com/uploads/1/3/2/6/132680870/103966.pdf
    • https://cdn.shopify.com/s/files/1/0434/5580/7640/files/xekax.pdf
    • https://cdn.shopify.com/s/files/1/0437/0441/8459/files/burafugatolobazo.pdf
    • https://cdn.shopify.com/s/files/1/0434/4306/0901/files/70482727964.pdf
    • https://cdn.shopify.com/s/files/1/0436/8026/8438/files/luxabujofajakemirex.pdf
    • https://cdn.shopify.com/s/files/1/0428/7938/5766/files/41184454936.pdf
    • https://cdn.shopify.com/s/files/1/0429/4190/7100/files/92869314789.pdf
    • https://cdn.shopify.com/s/files/1/0432/8043/3302/files/pagezozumugud.pdf
    • https://cdn.shopify.com/s/files/1/0434/8621/6344/files/pidoxa.pdf
    • https://cdn.shopify.com/s/files/1/0429/5072/1699/files/torejipuwivaxu.pdf
    • https://cdn.shopify.com/s/files/1/0436/3714/5753/files/terenixilizimi.pdf
    • https://cdn.shopify.com/s/files/1/0429/5042/6787/files/arquetipos_y_el_inconsciente_colectivo.pdf
    • https://cdn.shopify.com/s/files/1/0431/7118/4794/files/wunixuza.pdf
    • https://cdn.shopify.com/s/files/1/0429/6795/7660/files/90059389279.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/
    • https://cdn.shopify.com/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008bd1.bin
59ee01f4e7ff0d51e3a0e098ac5b89cff59df15bfd63ca9191f01c95760e0528		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD1 5244 bytes
font_01_sfnt_off00009da3.bin
b7767d051654a5ce774439d0c69de83c4d44e718edb16914a012a11fb4dfdb34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DA3 11212 bytes

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