Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca1f1368af66936c…

MALICIOUS

PDF

40.2 KB Created: 2020-07-31 21:32:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5101b7e7e6797ecbbc063224ab4ef9d3 SHA-1: b88cfe12a22edd3a213650039faeff8f2fb86fd2 SHA-256: ca1f1368af66936c7df899d78b04d79c8c1c6ef34fe6fef6c77ae684e1d3f72d
120 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, including a critical redirector link to 'https://ttraff.cc/pify?keyword=how+do+i+permanently+delete+mcafee'. This suggests a phishing or scam attempt, using a common search query as a lure. The document body, though heavily obfuscated, contains the same search query and references to the redirector and a shopify URL, reinforcing 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.cc/pify?keyword=how+do+i+permanently+delete+mcafee
    • http://files.shoreliteracy.org/uploads/1/3/0/8/130874526/rigesuzu.pdf
    • http://files.grassrootscf.org/uploads/1/3/1/3/131382395/zawajitoraruk-gubefuviz.pdf
    • http://files.un-mariage-a-la-reunion.fr/uploads/1/3/1/4/131453355/3872393.pdf
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/pewilupemop.pdf
    • https://cdn.shopify.com/s/files/1/0431/4441/3350/files/lojoruzolizudupen.pdf
    • https://cdn.shopify.com/s/files/1/0431/5129/4619/files/gepojeneluzeseronure.pdf
    • https://cdn.shopify.com/s/files/1/0437/7962/1026/files/36806906880.pdf
    • https://cdn.shopify.com/s/files/1/0433/6038/7240/files/vunufinezevofukozufukob.pdf
    • https://cdn.shopify.com/s/files/1/0437/6081/2189/files/21193296898.pdf
    • https://cdn.shopify.com/s/files/1/0435/1187/3688/files/wedamexafegomizuxaxus.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xazijejizamoketabuguta.pdf
    • https://cdn.shopify.com/s/files/1/0434/4276/5976/files/16553356215.pdf
    • https://cdn.shopify.com/s/files/1/0430/2202/4867/files/13954790597.pdf
    • https://cdn.shopify.com/s/files/1/0434/5721/6678/files/vatuges.pdf
    • https://cdn.shopify.com/s/files/1/0438/2402/1664/files/54874453393.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_off0000602a.bin
9e86ef668af87db9fa86da44bdbaa996fa5a55e4842babd5076591eb902933d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x602A 5280 bytes
font_01_sfnt_off00007220.bin
1abbbed3e74d2c97a8cfb8c8d28ca63f2d35530600dd9084ccfc6603f9482ff9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7220 9948 bytes

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