Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa771a43f7f2ec95…

MALICIOUS

PDF

53.1 KB Created: 2020-08-11 13:33:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8e801da287355fb0280c1e7446d064c6 SHA-1: 0fdafe93852feb2389249b64aa92b697253af363 SHA-256: fa771a43f7f2ec95db95306e5368d8ce3c50f216fa5988935839dc42bc4e39e1
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one identified as a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm for SEO manipulation or to distribute malicious content. The primary malicious URL identified is https://ttraff.cc/pify?keyword=certiorari+and+prohibition+pdf. No scripts were extracted from this sample.

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.cc/pify?keyword=certiorari+and+prohibition+pdf
    • http://vubujus.vinodbharti.com/uploads/1/3/1/8/131856772/806f65d17e.pdf
    • http://nawoxem.timapplegate.net/uploads/1/3/0/7/130775045/2526713.pdf
    • http://biwakiv.fiskeelectric.com/uploads/1/3/0/7/130776485/3692141.pdf
    • http://files.aallformsoflife.com/uploads/1/3/2/6/132681634/55c437e598f.pdf
    • https://cdn.shopify.com/s/files/1/0430/9798/1089/files/34198079581.pdf
    • https://cdn.shopify.com/s/files/1/0429/6713/8470/files/attach_pic_to_online.pdf
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/biacore_t200_getting_started.pdf
    • https://cdn.shopify.com/s/files/1/0429/0609/1687/files/85954124812.pdf
    • https://cdn.shopify.com/s/files/1/0435/9212/2527/files/7461261495.pdf
    • https://cdn.shopify.com/s/files/1/0432/1338/9992/files/senetuxatuj.pdf
    • https://cdn.shopify.com/s/files/1/0436/3531/0752/files/situkofozimonakelikisu.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99324429390.pdf
    • https://cdn.shopify.com/s/files/1/0428/0900/0103/files/vumeza.pdf
    • https://cdn.shopify.com/s/files/1/0428/3459/1907/files/12481668335.pdf
    • https://cdn.shopify.com/s/files/1/0432/9180/3801/files/petufunigukifovomunabiv.pdf
    • https://cdn.shopify.com/s/files/1/0432/5795/4467/files/exercises_present_perfect_affirmative_negative_interrogative.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mipin.pdf
    • https://cdn.shopify.com/s/files/1/0437/0225/5770/files/geligikiv.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_off000093d4.bin
6702f18340745efeaf89f7b3d862f15faad0e9fb3231d818b33ba0666f4f432b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93D4 4964 bytes
font_01_sfnt_off0000a4a7.bin
6dc2f3598f0c3fe5a859f3b072d33c34c53495358666e4bb0efa5ffa72d70504		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA4A7 10172 bytes

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