Malicious PDF — malware analysis report

Static analysis result for SHA-256 d74951546b49b7f8…

MALICIOUS

PDF

41.7 KB Created: 2020-08-25 11:40:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ae0ef97dc2031a79addf393dddf2332 SHA-1: 6cffa2b5969545578598996b66a8cae3356943ea SHA-256: d74951546b49b7f8fcbed8f68b815ad00b8c000c20ed0a2293ba2ce04ee691ba
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text related to 'itinerary planner excel template' and the malicious URL. The primary attack pattern involves luring the user to a malicious site via a link farm, likely for further exploitation or credential harvesting.

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=itinerary+planner+excel+template
    • http://files.wildberrypicnic.com/uploads/1/3/0/8/130814066/vizigiwodepalob.pdf
    • http://lunowogol.pennviewvisuals.org/uploads/1/3/0/9/130969060/7281651.pdf
    • https://cdn.shopify.com/s/files/1/0433/7224/9251/files/badmash_poetry_in_urdu.pdf
    • https://cdn.shopify.com/s/files/1/0432/3947/3314/files/nemegolot.pdf
    • https://cdn.shopify.com/s/files/1/0428/8125/3535/files/donamol.pdf
    • https://cdn.shopify.com/s/files/1/0434/8392/2585/files/anti_rabies_vaccine_guidelines.pdf
    • https://cdn.shopify.com/s/files/1/0431/9153/3725/files/mokinurepudemopujij.pdf
    • https://cdn.shopify.com/s/files/1/0427/5775/0951/files/90646789639.pdf
    • https://cdn.shopify.com/s/files/1/0431/6200/9760/files/silence_rom_kodi.pdf
    • https://cdn.shopify.com/s/files/1/0429/7208/6435/files/epson_workforce_wf-_2650_driver.pdf
    • https://cdn.shopify.com/s/files/1/0436/9681/6282/files/89873805821.pdf
    • https://cdn.shopify.com/s/files/1/0427/7973/8278/files/samalibuwajisuvakuzoxuku.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_off0000679b.bin
33e3d549ef5bcd877e3aac34b3f4e2acffcabb9ac570b54d3c824949014076a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x679B 5008 bytes
font_01_sfnt_off0000788f.bin
bce9ed2256c488c3288d87b4d632cb688fae455c5aee0859c9e8f766759d2575		 pdf-font-stream PDF embedded font (sfnt) at offset 0x788F 9752 bytes

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