Malicious PDF — malware analysis report

Static analysis result for SHA-256 4047f3b14e3f8b42…

MALICIOUS

PDF

53.1 KB Created: 2020-08-25 13:32:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc709ed15243804db408aa02b1101b44 SHA-1: 20579b874d82742f22f28b7832f3b5dd970abbe0 SHA-256: 4047f3b14e3f8b4211719da8788bcdee807a7d058a5b38a01becc6f4a6d2a540
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 Command and Scripting Interpreter: PowerShell

The PDF contains a lure referencing a 'charter outage report number' and embeds numerous links, including one to a known malicious redirector. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document's content is designed to trick the user into installing something or clicking a link. The primary malicious URL identified is https://ttraff.cc/pify?keyword=charter+outage+report+number, which is likely used to redirect the user to a malicious site or phishing page.

Heuristics 4

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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=charter+outage+report+number
    • http://zamiwabo.tipsyglasswinery.com/uploads/1/3/2/7/132740829/4b7cb0f7ddc829a.pdf
    • http://gamivoto.becomemorecompelling.com/uploads/1/3/0/7/130776330/3971a47cf5ed.pdf
    • http://ruved.unseenseven.org/uploads/1/3/1/4/131453384/kugiwa_jaziferopuwigu.pdf
    • http://ratosexob.timeschangingglobal.com/uploads/1/3/0/7/130776485/5250683.pdf
    • https://cdn.shopify.com/s/files/1/0434/0210/0899/files/38346978993.pdf
    • https://cdn.shopify.com/s/files/1/0435/6295/9006/files/nixosizo.pdf
    • https://cdn.shopify.com/s/files/1/0432/0867/1394/files/valenanewopa.pdf
    • https://cdn.shopify.com/s/files/1/0431/5915/8946/files/93056863945.pdf
    • https://cdn.shopify.com/s/files/1/0432/7030/7995/files/5390439942.pdf
    • https://cdn.shopify.com/s/files/1/0428/5156/5724/files/bagatovag.pdf
    • https://cdn.shopify.com/s/files/1/0447/8320/6557/files/activity_ratios_definition.pdf
    • https://cdn.shopify.com/s/files/1/0434/2385/8845/files/90985899463.pdf
    • https://cdn.shopify.com/s/files/1/0431/7849/2062/files/zizet.pdf
    • https://cdn.shopify.com/s/files/1/0427/9920/2467/files/jibuzuluwe.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006151.bin
2bc81d479e2ce7e9a7a3aa3523099807d1fe56fb0db127f94b1d96a3a776a94a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6151 5068 bytes
font_01_sfnt_off0000725c.bin
dfb418e8a203e4d527d95cdb051ed89edf3998b06f0507f53db7928999b14f05		 pdf-font-stream PDF embedded font (sfnt) at offset 0x725C 8092 bytes
font_02_sfnt_off00008d5d.bin
22f083283b281e2eaad0fb4b4f2abf8ac99e7d200fb9c052d2807db89b38b08a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D5D 10836 bytes
font_03_sfnt_off0000b268.bin
52db30b66cfb76898988bc7c6ed152514c301740808ab95bec9c68e49df23550		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB268 16036 bytes

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