Malicious PDF — malware analysis report

Static analysis result for SHA-256 b930fe0084907f2a…

MALICIOUS

PDF

45.5 KB Created: 2020-08-04 13:54:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 720aa192caf5a6ea2be9c990df0d5ccc SHA-1: 792a86646b1fd5847955ef3eae29fd374768df01 SHA-256: b930fe0084907f2a5434a6dcb9c71c00d3588437793b17067a57b1acb916f4ee
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a syllabus title, suggesting a lure. The primary malicious URL is https://ttraff.com/pify?keyword=nta+net+sociology+syllabus+pdf, which likely leads to further malicious content. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate 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.com/pify?keyword=nta+net+sociology+syllabus+pdf
    • http://files.mobcofypsi.org/uploads/1/3/0/9/130969656/vutofixowema-jowavidol.pdf
    • http://files.naturallytamar.com/uploads/1/3/0/7/130739269/puxoxebu.pdf
    • http://files.chereeamourjewelry.com/uploads/1/3/1/4/131454012/9383024.pdf
    • http://files.suearchibaldart.com/uploads/1/3/0/7/130776439/7871196.pdf
    • http://files.mcyc.org/uploads/1/3/1/3/131398148/3201867.pdf
    • https://cdn.shopify.com/s/files/1/0427/4572/5094/files/51136142297.pdf
    • https://cdn.shopify.com/s/files/1/0431/0758/2106/files/jamugepapulofilizex.pdf
    • https://cdn.shopify.com/s/files/1/0432/7643/5621/files/zasunibib.pdf
    • https://cdn.shopify.com/s/files/1/0438/3349/1606/files/37826098482.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0234/files/dabofufuladeguji.pdf
    • https://cdn.shopify.com/s/files/1/0438/7710/5832/files/75719705990.pdf
    • https://cdn.shopify.com/s/files/1/0440/2518/4421/files/33824723227.pdf
    • https://cdn.shopify.com/s/files/1/0436/5733/0853/files/turapox.pdf
    • https://cdn.shopify.com/s/files/1/0428/5900/4070/files/38985584769.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/48787523288.pdf
    • https://cdn.shopify.com/s/files/1/0431/3346/8839/files/59961178831.pdf
    • https://cdn.shopify.com/s/files/1/0433/7080/7459/files/kogodazewofedoxan.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_off000073d1.bin
4bf8ce7c161b449a48dc043432d7a6da6b35d0decc988dabb14dc6738ba21f56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73D1 5440 bytes
font_01_sfnt_off0000866f.bin
2297f05a7cc94e7ae3b042a7944b4b723025de5f03f25a91b05b972f486e18cb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x866F 10220 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.