Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ee1310c2c835fbe…

MALICIOUS

PDF

43.6 KB Created: 2020-08-29 21:04:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ef762e6bbb466495a8a7d00b6013543 SHA-1: bac18ecb08057cd0c725b3121fe1ee1ec4561d84 SHA-256: 1ee1310c2c835fbe59ac21eb4cb8ea1507d463d9681c5071aaf5d7bef7da0f25
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, a technique often used for SEO poisoning or to direct users to malicious sites. One of these links, 'https://ttraff.ru/wix?keyword=heather+poe+vampire', points to known malicious redirector infrastructure. The document body itself is heavily obfuscated and contains similar URLs, suggesting a lure to external content. No scripts were extracted, limiting further analysis of payload delivery.

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.ru/wix?keyword=heather+poe+vampire
    • https://cdn.shopify.com/s/files/1/0432/6054/3138/files/498172590.pdf
    • https://cdn.shopify.com/s/files/1/0429/1543/0553/files/bekodivamodanep.pdf
    • https://cdn.shopify.com/s/files/1/0429/8457/1031/files/6967354038.pdf
    • https://static.usrfiles.com/ugd/de65f7_9ee18db6a68a4151ab8f04851e779716.pdf
    • https://cdn.shopify.com/s/files/1/0429/3646/7623/files/capacity_of_parties_to_contract.pdf
    • https://cdn.shopify.com/s/files/1/0430/8900/2653/files/88044686034.pdf
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/81112497095.pdf
    • https://cdn.shopify.com/s/files/1/0431/8534/0580/files/fibevegusopakej.pdf
    • https://cdn.shopify.com/s/files/1/0461/0611/6260/files/mofawege.pdf
    • https://cdn.shopify.com/s/files/1/0433/9171/3447/files/33007300633.pdf
    • https://cdn.shopify.com/s/files/1/0432/3993/2064/files/adb_driver_windows_10_64_bit.pdf
    • https://cdn.shopify.com/s/files/1/0430/7537/1159/files/bukerimap.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_off000061fd.bin
423672a8f066d69c039dd085af9d479a1944a07f7138ae2c1ff6b74fe6d818f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61FD 4552 bytes
font_01_sfnt_off0000716f.bin
e1ab3e0fec0e5765abb5df9a23c982d298a482000dee438aa91fa68c3b1f242b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x716F 10060 bytes
font_02_sfnt_off000093db.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93DB 4324 bytes

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