Malicious PDF — malware analysis report

Static analysis result for SHA-256 b60b9abe15c58d9b…

MALICIOUS

PDF

35.3 KB Created: 2020-08-30 19:12:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4abac6d28a33fa5946513e865ff12c42 SHA-1: 96d2809d79d9310f5b2a4ac88b5c0336d0277827 SHA-256: b60b9abe15c58d9b2d5cf3ceb2216d6098421a228d8e1a2851f451a60f51204b
120 Risk Score

Malware Insights

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

The PDF contains a mass external PDF link farm, with many links pointing to benign Shopify URLs but one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'one piece capitulo 5 espa\[0xC3\][0xB1]ol latino' and the malicious redirector URL, suggesting a lure to a potentially malicious site. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination.

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.club/wix?keyword=one+piece+capitulo+5+espa%25C3%25B1ol+latino
    • https://cdn.shopify.com/s/files/1/0437/3836/6113/files/seated_cable._row_form.pdf
    • https://cdn.shopify.com/s/files/1/0433/1254/5950/files/wepudegiseb.pdf
    • https://cdn.shopify.com/s/files/1/0432/8184/2341/files/86138761885.pdf
    • https://cdn.shopify.com/s/files/1/0434/2313/7943/files/67620217500.pdf
    • https://static.usrfiles.com/ugd/9e14ca_9907bd9c46d84d969c6cb4c5c8399c55.pdf
    • https://static.usrfiles.com/ugd/b8c837_f2c2396210724176abdfc9fe94180e7e.pdf
    • https://static.usrfiles.com/ugd/b6edda_d673bd6a5ea9444ebf1102bcbea7e6cf.pdf
    • https://static.usrfiles.com/ugd/0047a4_937f1140887e41dd9124e31a57ab8bce.pdf
    • https://static.usrfiles.com/ugd/93971e_255773446c0846aa976dee3102e6d921.pdf
    • https://static.usrfiles.com/ugd/078c79_988d1a8beaf04ab3b6d31cbc442958f6.pdf
    • https://static.usrfiles.com/ugd/575363_6db37b86458445df89a26aca15c3afa4.pdf
    • https://static.usrfiles.com/ugd/b8c837_7999ec000b414b9ab60f8d2f27abc963.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_off000047cc.bin
3f11ac4533c7df17f0bfe31c0cf7085a338a5db43425c12c9955fceffe341fbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47CC 5192 bytes
font_01_sfnt_off00005944.bin
65617423b1d31e2e1cde93e788fb5f79fd4538777938c81b69c21b51b4f94f5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5944 11452 bytes

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