Malicious PDF — malware analysis report

Static analysis result for SHA-256 b009ecc86a056581…

MALICIOUS

PDF

61.7 KB Created: 2020-08-27 22:29:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 82f2ac6e61a8a104f88ece539d2a563f SHA-1: 335ed59154af7817278ce25f5366e104a9a6e0f8 SHA-256: b009ecc86a0565815e6119aa291303343917e58d62aa7fb37a40f10a028c719c
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 of which point to PDF files hosted on Shopify. One of these links, however, redirects to a known malicious domain (ttraff.cc), indicating a phishing or malware distribution attempt. The document body itself is largely unreadable binary data, but the presence of the malicious redirector URL is a strong indicator of malicious intent.

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=mlp+equestria+rainbow+rocks+full+movie
    • http://vivifa.elsewheremusic.net/uploads/1/3/0/7/130776553/femafetakume.pdf
    • http://files.idocakestudio.com/uploads/1/3/2/6/132695451/048d2380f0fd.pdf
    • https://cdn.shopify.com/s/files/1/0437/1765/6731/files/95066281076.pdf
    • https://cdn.shopify.com/s/files/1/0432/8233/3851/files/rubufidapur.pdf
    • https://cdn.shopify.com/s/files/1/0431/3186/3202/files/29192668398.pdf
    • https://cdn.shopify.com/s/files/1/0431/9982/4032/files/bd_flag_hd.pdf
    • https://cdn.shopify.com/s/files/1/0431/6676/1120/files/rixoduxepoxiletonunod.pdf
    • https://cdn.shopify.com/s/files/1/0435/1311/8872/files/magonidunovajosigapeji.pdf
    • https://cdn.shopify.com/s/files/1/0431/0948/2658/files/13012985616.pdf
    • https://cdn.shopify.com/s/files/1/0451/1121/4245/files/vosalonilazipeg.pdf
    • https://cdn.shopify.com/s/files/1/0431/6643/3435/files/1660007881.pdf
    • https://cdn.shopify.com/s/files/1/0438/2579/1138/files/weather_report_harstad_norway.pdf
    • https://cdn.shopify.com/s/files/1/0436/9969/9866/files/free_oklahoma_rental_lease_agreement_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/8455/4141/files/bureau_veritas_certification.pdf
    • https://cdn.shopify.com/s/files/1/0433/0605/7888/files/61185939914.pdf
    • https://cdn.shopify.com/s/files/1/0433/9649/7573/files/slated_book.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_off0000b203.bin
fe0009eba680650b4d802d43fd8631032b2b11cdc64e4778b99f7c07b741cabb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB203 5648 bytes
font_01_sfnt_off0000c546.bin
bf243471323ef89063228fa8a13b0049a00e9a0866958aa958958edf3f31177a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC546 10544 bytes

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