Malicious PDF — malware analysis report

Static analysis result for SHA-256 f64daf131387dfa9…

MALICIOUS

PDF

39.7 KB Created: 2020-07-10 00:17:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5671f454e6dc48d15e7541a624b09ba2 SHA-1: b0d194784fe9bab0cd85bf34406380b123204c9f SHA-256: f64daf131387dfa9a55f4332cf562044649b8132453b323d6e6e949013c03fb4
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, indicating a link farm designed to redirect users to potentially malicious content. One critical heuristic identified a link to known malicious redirector infrastructure. The presence of numerous PDF links suggests an attempt to manipulate search engine results or distribute malware through a large number of seemingly benign documents.

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/wb?keyword=lirik%20lagu%20eddy%20kim%20the%20manual
    • http://files.carpetcleanergrandrapids.com/uploads/1/3/1/4/131438761/9028960.pdf
    • http://files.troyelementaryspanish.com/uploads/1/3/1/6/131636930/nejovefubawevi_pewagexuvijulex.pdf
    • http://files.bensawyermusic.co.uk/uploads/1/3/2/7/132740218/kelupotamevivok.pdf
    • http://files.wgscontemporary.com/uploads/1/3/0/7/130739294/wifobagugeko.pdf
    • http://files.mschontel.com/uploads/1/3/0/7/130738822/9169023.pdf
    • http://files.capbusinessclubs.co.uk/uploads/1/3/1/4/131437210/zopenokomimu.pdf
    • http://files.mikitenarch.com/uploads/1/3/1/6/131606674/3320308.pdf
    • https://legebepome.files.wordpress.com/2020/06/98039572228.pdf
    • https://bebeleg.files.wordpress.com/2020/06/99640531573.pdf
    • https://rawatufigusu.files.wordpress.com/2020/06/3725882457.pdf
    • https://dijilavuxiji.files.wordpress.com/2020/06/3502846711.pdf
    • https://nuzobuko.files.wordpress.com/2020/07/49353394801.pdf
    • https://pegovozizow.files.wordpress.com/2020/07/46416735966.pdf
    • https://wapisamuvubu.files.wordpress.com/2020/06/68019921984.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mituvazejuremoposanizama.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38746106010.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fatexuxutul.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005417.bin
6054976dde25ea3fa86a708ded747369f1817dc08708abf681153a5860f338ad
pdf-font-stream PDF embedded font (sfnt) at offset 0x5417 3212 bytes
font_01_sfnt_off00005fb2.bin
f2aaf207b28353eca66b522919214759a3febc1e152d06208bd5a505a7555ad1
pdf-font-stream PDF embedded font (sfnt) at offset 0x5FB2 4940 bytes
font_02_sfnt_off00007047.bin
0b25549c2df867538f6ed65d4104181c5e6063829bafa1c0ed15cf8b69c880c2
pdf-font-stream PDF embedded font (sfnt) at offset 0x7047 9764 bytes