Malicious PDF — malware analysis report

Static analysis result for SHA-256 d130b53b7d6deaf6…

MALICIOUS

PDF

38.4 KB Created: 2020-08-30 18:05:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c8fc698b39d75c44437b71617abfa4f SHA-1: 7a8cfeb1f6f2f3da4942748b5b3ce2709f988768 SHA-256: d130b53b7d6deaf6d08bbe308fd89ae0a267f9a0befcf8f7f9e45daa09c5434b
120 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, ttraff.com, disguised as a 'Mahindra manual download'. This indicates a phishing or social engineering attempt to redirect the user to malicious content. The PDF also contains a large number of links to other PDFs hosted on Shopify, likely part of an SEO link farm to obscure the malicious redirector.

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/wix?keyword=mahindra+manual+download
    • https://cdn.shopify.com/s/files/1/0437/8748/5342/files/rekimip.pdf
    • https://cdn.shopify.com/s/files/1/0432/2656/2722/files/misimetimod.pdf
    • https://cdn.shopify.com/s/files/1/0431/8206/3778/files/mibata.pdf
    • https://cdn.shopify.com/s/files/1/0437/7785/1550/files/80245493190.pdf
    • https://cdn.shopify.com/s/files/1/0434/5780/6486/files/duladazomip.pdf
    • https://cdn.shopify.com/s/files/1/0463/4286/5057/files/best_k_cup_coffee_maker_consumer_reports.pdf
    • https://cdn.shopify.com/s/files/1/0434/0531/2156/files/senifakebavivu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1249/7313/files/zofafifuloturamij.pdf
    • https://cdn.shopify.com/s/files/1/0431/3805/6354/files/riwivosidugule.pdf
    • https://static.usrfiles.com/ugd/b52961_8a80e100ccdb4504828e24d32e2809b2.pdf
    • https://static.usrfiles.com/ugd/b8c837_fb9a9745171f4fb78018aa215484b74f.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_off000059fc.bin
d2efb2f250ede16649b8c34866c353e84a1d137c655ecce8fba43dafe09e3530		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59FC 4984 bytes
font_01_sfnt_off00006acc.bin
8fee47074e001544867f99baa3fcb8e46f94aeff4d3592793dc8c9473c05209d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6ACC 10080 bytes

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