Malicious PDF — malware analysis report

Static analysis result for SHA-256 dbb7bafafd41ee66…

MALICIOUS

PDF

54.5 KB Created: 2020-08-10 07:25:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66e1e7e7668c5d5aa456aaefa867679b SHA-1: 0923203aa74daa4f28317df765ffa72d380d5df8 SHA-256: dbb7bafafd41ee66b42ca4745134b9f1a27df609fc877e95d2bc34a03e4687b0
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to a "Keto diet grocery list and meal plan pdf" which is a common social engineering tactic. It embeds a link to a known malicious redirector at "https://ttraff.com/pify?keyword=keto+diet+grocery+list+and+meal+plan+pdf". The PDF also contains a large number of external links, many pointing to Shopify domains, suggesting a link farm for SEO manipulation or to host further malicious content.

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.com/pify?keyword=keto+diet+grocery+list+and+meal+plan+pdf
    • http://files.shop-with-bam.com/uploads/1/3/1/4/131437515/2024264.pdf
    • http://files.creativereadingandwriting.org/uploads/1/3/0/8/130813846/tigano.pdf
    • http://files.olilazarusphotography.com/uploads/1/3/1/6/131606368/3009102.pdf
    • https://cdn.shopify.com/s/files/1/0432/4599/4146/files/weranosamavi.pdf
    • https://cdn.shopify.com/s/files/1/0437/4075/8170/files/68468268775.pdf
    • https://cdn.shopify.com/s/files/1/0441/3505/5512/files/fizopagiwetivoxaj.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/64100433323.pdf
    • https://cdn.shopify.com/s/files/1/0429/9338/5633/files/jivogibafefewokuriz.pdf
    • https://cdn.shopify.com/s/files/1/0431/2819/3184/files/7395525806.pdf
    • https://cdn.shopify.com/s/files/1/0433/2647/2347/files/kagajome.pdf
    • https://cdn.shopify.com/s/files/1/0428/8079/4780/files/zobewiburene.pdf
    • https://cdn.shopify.com/s/files/1/0435/5765/0584/files/thermal_foundation_1._12._2.pdf
    • https://cdn.shopify.com/s/files/1/0431/5840/5280/files/64919441062.pdf
    • https://cdn.shopify.com/s/files/1/0432/5661/0971/files/75944072579.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/s/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008a5d.bin
85f6299ca998d9c116857cab1218e3e005416676a80327186eab848d99a1d3ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A5D 5544 bytes
font_01_sfnt_off00009d37.bin
700e1fb543d18ff7c699bed8ea2c0e72dab683e8cc03488975f67d7db71dfa1f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D37 15432 bytes

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