Malicious PDF — malware analysis report

Static analysis result for SHA-256 c07070b1957e0762…

MALICIOUS

PDF

46.9 KB Created: 2020-08-31 17:43:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 832bd5215edfc41bc3fbc310e3506094 SHA-1: 3ef0363e5217babb8f33166a5ae9b0779dbf258d SHA-256: c07070b1957e076256ab70281851b2e625ff40cb0375ccbff19b78372ecbb099
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link to 'ttraff.com'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm. While the document body is heavily obfuscated, the presence of these links strongly indicates an attempt to lure users to malicious sites for phishing or malware 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.com/wix?keyword=chema+alonso+libros+pdf
    • https://cdn.shopify.com/s/files/1/0432/5743/0176/files/vistaprint_business_card_size_pixels.pdf
    • https://cdn.shopify.com/s/files/1/0430/7383/1072/files/jiliwikega.pdf
    • https://cdn.shopify.com/s/files/1/0433/8004/8037/files/concept_of_spatial_frequency_filtering.pdf
    • https://cdn.shopify.com/s/files/1/0434/2136/8482/files/65438753407.pdf
    • https://static.usrfiles.com/ugd/b8c837_38493757649841c7a5b34681288a6b9c.pdf
    • https://static.usrfiles.com/ugd/54fa57_9e66201910534f6b85e50f04f9eb6295.pdf
    • https://static.usrfiles.com/ugd/b8c837_dd125f29738541e1989834b672fa047f.pdf
    • https://static.usrfiles.com/ugd/4bb894_3124eafa593547988bb3021d26c0b80f.pdf
    • https://static.usrfiles.com/ugd/b8c837_a538c46f3e7540e2b482ad1377d0217a.pdf
    • https://static.usrfiles.com/ugd/b8c837_528317447e284e2898b0305cc4846d9f.pdf
    • https://static.usrfiles.com/ugd/7e6083_49899fb4b14b4108a8347d577505d8c3.pdf
    • https://static.usrfiles.com/ugd/b8c837_8056c5936ebc4364bbd367e4684a9b01.pdf
    • https://static.usrfiles.com/ugd/73f3b0_a7b416c19f5b45dcaa2b5ce63a0f372e.pdf
    • https://static.usrfiles.com/ugd/e7e4a0_b8887deecdba439284de7cfc13a6c488.pdf
    • https://static.usrfiles.com/ugd/11f207_a93eb9d5351d44adb4344d806543389d.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_off00007605.bin
f35f74e75c7321abdd0d2a1edc83db440084919343425d2da60b521203a82d64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7605 5324 bytes
font_01_sfnt_off000087e0.bin
6edac9a32f4eda2006a8dc85bdd3e95dc7680aa892ac032106753cc291fe15e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87E0 11388 bytes

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