Malicious PDF — malware analysis report

Static analysis result for SHA-256 d589579a1bb07dfd…

MALICIOUS

PDF

37.8 KB Created: 2020-08-30 10:57:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d5266fc567b4d89bdf1104a45e9ae684 SHA-1: 554affd7a9d7641f029b1536f07ee66eea5228be SHA-256: d589579a1bb07dfd7c9e2c5879fd7debb98f3053574430d1e540038d0642d2e7
128 Risk Score

Malware Insights

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

The PDF contains a prominent link that redirects to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text that appears to be a lure for a movie, combined with a 'download' button heuristic, suggesting a social engineering tactic. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=barbie+as+rapunzel+full+movie+in+hindi+part+1
    • https://cdn.shopify.com/s/files/1/0448/7417/0535/files/bewagunulikijotefo.pdf
    • https://cdn.shopify.com/s/files/1/0434/1514/2551/files/idsa_c_diff_treatment_guidelines_2018.pdf
    • https://cdn.shopify.com/s/files/1/0431/2737/3990/files/os_grandes_economistas.pdf
    • https://cdn.shopify.com/s/files/1/0428/5884/0223/files/4284012909.pdf
    • https://cdn.shopify.com/s/files/1/0437/0333/7115/files/13243444646.pdf
    • https://static.usrfiles.com/ugd/e3c460_a9abea9c3f8e47bc875c2709ff5ac618.pdf
    • https://static.usrfiles.com/ugd/b8c837_bb28072733b24862b11105ec8d3431bb.pdf
    • https://static.usrfiles.com/ugd/b8c837_4101ce32e5ee4723949f5e8fc928234a.pdf
    • https://static.usrfiles.com/ugd/6cf0f5_ce6985d5259c472f95aaaee63e08619c.pdf
    • https://static.usrfiles.com/ugd/b8c837_fafa41c826854254940890c10bed8360.pdf
    • https://static.usrfiles.com/ugd/0047a4_067f0c954ae94bd39ca1c17e5ddc4bd5.pdf
    • https://static.usrfiles.com/ugd/ed64d2_4077e9d5fb6c480889dc32d27c76fb4f.pdf
    • https://static.usrfiles.com/ugd/277b62_8cd5af36d6134128843eab54eee7c854.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_off000047da.bin
40755e67aaaa4ac09b01e9351f8ec80d55b2d5127b16258d36b70a63b78337e9
pdf-font-stream PDF embedded font (sfnt) at offset 0x47DA 5516 bytes
font_01_sfnt_off00005a76.bin
f0962cd625b5d823ce3a1164a4c045e822d9aee045c22bdc4dfcc4cc0e611393
pdf-font-stream PDF embedded font (sfnt) at offset 0x5A76 9864 bytes
font_02_sfnt_off00007c36.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C36 4324 bytes