Malicious PDF — malware analysis report

Static analysis result for SHA-256 47617b37e14ea799…

MALICIOUS

PDF

53.3 KB Created: 2020-08-19 22:29:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 984afa767ef5e8e845586b86037f459e SHA-1: 64b3f4570af9df1df67bde6ffe221a856681e763 SHA-256: 47617b37e14ea799daa05296e84e2cf845b82fcb9e5a03cf94b0728f1e3c78e1
128 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'aviate launcher apk pro'. The primary malicious URL identified is https://ttraff.com/pify?keyword=aviate+launcher+apk+pro, which is likely used to redirect the user to a second-stage payload. The presence of numerous Shopify links suggests an attempt to blend in with benign content.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=aviate+launcher+apk+pro
    • http://files.kytnpathfinders.org/uploads/1/3/0/8/130814258/56934d.pdf
    • http://vefutu.socialmediaflux.com/uploads/1/3/0/7/130739348/6190655.pdf
    • https://cdn.shopify.com/s/files/1/0433/8925/5847/files/bimamubageti.pdf
    • https://cdn.shopify.com/s/files/1/0430/6750/6849/files/remedial_definition.pdf
    • https://cdn.shopify.com/s/files/1/0430/8510/3258/files/7415755502.pdf
    • https://cdn.shopify.com/s/files/1/0434/5105/6295/files/phpexcel_getactivesheet_toarray.pdf
    • https://cdn.shopify.com/s/files/1/0430/0580/4698/files/78266340455.pdf
    • https://cdn.shopify.com/s/files/1/0435/7668/8798/files/46428791889.pdf
    • https://cdn.shopify.com/s/files/1/0431/4929/5776/files/gifawiwakotefigonitituxe.pdf
    • https://cdn.shopify.com/s/files/1/0437/4993/3208/files/lulotu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4795/2294/files/adolescent_meaning.pdf
    • https://cdn.shopify.com/s/files/1/0429/1821/5847/files/rocket_propulsion_elements_7th_edition_solution_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/5293/3019/files/38412383772.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005caa.bin
e5ea8aed74b59591bf257aac27e9afac0abe5a4daee29075de7a04f229662502		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAA 4836 bytes
font_01_sfnt_off00006d01.bin
47b16ac3c4da63d2ab516ca570bd9f5520c5b4f39c54e7bfc9073f2b75320b2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D01 5352 bytes
font_02_sfnt_off00007fee.bin
82d0459517d4cd2e266214bafb9f5b764eb443d49ab5255e6fd281e50d3370f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7FEE 10652 bytes
font_03_sfnt_off0000a45d.bin
922c8eefff3d6526d4622262a795314905e73a1c12060c0c1179cc5b91da3610		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA45D 16176 bytes
font_04_sfnt_off0000b991.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB991 4324 bytes

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