Malicious PDF — malware analysis report

Static analysis result for SHA-256 cff27fb14ec8a2a6…

MALICIOUS

PDF

40.8 KB Created: 2020-07-31 21:58:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 874d69eabd3ebf9ee50ea96e34da243f SHA-1: 5c9406d785c5feaef5f4a05728d609e2202876f1 SHA-256: cff27fb14ec8a2a68ae93130e6aa957ad11f509f6e9fabc86df51395e0178a3b
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=maverick+88+walmart, which is flagged as malicious. This suggests the document is part of a link farm or SEO poisoning campaign designed to redirect users to malicious sites.

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=maverick+88+walmart
    • http://files.a2acollaborative.org/uploads/1/3/0/7/130739780/genulobov.pdf
    • http://files.fresnonutritionsolutions.com/uploads/1/3/2/6/132683111/9806049.pdf
    • http://files.joanadler.com/uploads/1/3/1/8/131856391/6105094.pdf
    • http://files.mertech.co.uk/uploads/1/3/1/1/131164129/tusix.pdf
    • https://cdn.shopify.com/s/files/1/0428/3714/7811/files/jajukibas.pdf
    • https://cdn.shopify.com/s/files/1/0433/3237/0584/files/sitivuzaginofika.pdf
    • https://cdn.shopify.com/s/files/1/0431/6980/8550/files/53880336861.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gekisemegudifusoledo.pdf
    • https://cdn.shopify.com/s/files/1/0432/2410/5121/files/11998901209.pdf
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/vovujaranediboxilo.pdf
    • https://cdn.shopify.com/s/files/1/0434/3237/8517/files/tefazabagunax.pdf
    • https://cdn.shopify.com/s/files/1/0438/1035/7405/files/77013276787.pdf
    • https://cdn.shopify.com/s/files/1/0428/5431/8239/files/kagijuvexafonikiw.pdf
    • https://cdn.shopify.com/s/files/1/0437/8886/1602/files/mosubefunobaxa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tifomev.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_off0000630b.bin
8554980e281314f8eabb5c94299bebf8bf29c9a8b1498563651acb3152568f2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x630B 5180 bytes
font_01_sfnt_off000074bd.bin
38b7b5a40c032441965541a2c968eae43b1971820dbd850a11b6e4ceb35501d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74BD 10020 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.