Malicious PDF — malware analysis report

Static analysis result for SHA-256 47c23234a9444f82…

MALICIOUS

PDF

46.4 KB Created: 2020-08-09 11:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 708ece00804a9fd2a99be817b4d2f34d SHA-1: 00aefd67e2b2c934a06afd642ddfea5443951334 SHA-256: 47c23234a9444f826b9092aaa0d49d117f540f20d11db2708c327b086deea878
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains references to this URL and numerous other PDF links, many hosted on Shopify. The primary intent appears to be directing the user to the malicious 'ttraff.ru' URL, which is likely a gateway for further malicious activity.

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=lean+bulk+diet+plan+pdf
    • http://files.regalsalons.com/uploads/1/3/2/8/132816202/95d9a95b3.pdf
    • http://files.lambdaupsilonomegaaka.org/uploads/1/3/0/9/130969254/gudulonoxoxo.pdf
    • http://files.cayman-cove.com/uploads/1/3/0/7/130776350/sexojedobexuw-metesaxeki.pdf
    • https://cdn.shopify.com/s/files/1/0434/3290/2823/files/louis_ck_tour_dates.pdf
    • https://cdn.shopify.com/s/files/1/0432/4071/8496/files/22246077078.pdf
    • https://cdn.shopify.com/s/files/1/0434/1222/6202/files/95919200248.pdf
    • https://cdn.shopify.com/s/files/1/0429/0081/6028/files/ooga_chaka_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0432/7440/3996/files/pagimerunekobijubemabivup.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70474217151.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6278/files/incubus_the_warmth.pdf
    • https://cdn.shopify.com/s/files/1/0431/8186/7176/files/73228056958.pdf
    • https://cdn.shopify.com/s/files/1/0431/5525/9546/files/76273905625.pdf
    • https://cdn.shopify.com/s/files/1/0433/2273/6798/files/87893554786.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/xafakibaginudute.pdf
    • https://cdn.shopify.com/s/files/1/0432/6952/1568/files/mastering_apache_solr_7._x_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/5800/3096/files/40086395028.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2666/files/74032220542.pdf
    • https://cdn.shopify.com/s/files/1/0430/8379/2533/files/vexugiwezofi.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_off0000773d.bin
0426f54701dfb7f0c326ab8856cc5f1a05ac685a7dc420404488ab786365cac1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x773D 4904 bytes
font_01_sfnt_off00008800.bin
14cbec1ac4997f9c5d0e71996533f41a63f1e28da83f15760917e65c1107890c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8800 10728 bytes

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