Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b18261cdd7054ba…

MALICIOUS

PDF

64.8 KB Created: 2020-07-28 07:32:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b5149555f382002500aa06b6ab9323c SHA-1: c3c05c481d3a8d5cada54b1af5493fb0c7644060 SHA-256: 9b18261cdd7054baaa1219273ed83e7d083002e7a89c9d293b3b8a0bd36cab54
120 Risk Score

Malware Insights

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

The PDF file contains a link farm with numerous embedded links, including a critical redirector link to 'ttraff.com'. This suggests a phishing or scam attempt to lure users to malicious infrastructure. The document body, though heavily obfuscated, contains text related to translation, potentially part of a social engineering lure. 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.com/pify?keyword=answer+in+french+translation
    • http://files.ticklemysenses.net/uploads/1/3/1/6/131637306/4165345.pdf
    • http://files.closeencountersadventures.com/uploads/1/3/1/6/131607407/vosodobedode.pdf
    • http://files.fairhavensk9s.com/uploads/1/3/1/4/131407012/3314849.pdf
    • https://cdn.shopify.com/s/files/1/0429/9695/7343/files/81414318080.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/jepifinidutazup.pdf
    • https://cdn.shopify.com/s/files/1/0431/6174/7605/files/23913558911.pdf
    • https://cdn.shopify.com/s/files/1/0431/4244/7265/files/fixivamemorines.pdf
    • https://cdn.shopify.com/s/files/1/0435/5552/0667/files/46145650711.pdf
    • https://cdn.shopify.com/s/files/1/0437/2873/2314/files/13156709675.pdf
    • https://cdn.shopify.com/s/files/1/0429/1638/0831/files/mikar.pdf
    • https://cdn.shopify.com/s/files/1/0431/3654/9018/files/niwedemefi.pdf
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/jodozap.pdf
    • https://cdn.shopify.com/s/files/1/0435/3690/8439/files/98750391659.pdf
    • https://cdn.shopify.com/s/files/1/0431/4457/7178/files/rajomoxetumitukape.pdf
    • https://cdn.shopify.com/s/files/1/0434/3057/6295/files/sotagewon.pdf
    • https://cdn.shopify.com/s/files/1/0431/4267/6648/files/46411646278.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000073dd.bin
2869fbc9053f44f2ee34ede19db0a5a10da9fa56d96cfc64e7c45d192c775fa6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73DD 8272 bytes
font_01_sfnt_off00008f99.bin
c29cf73fb9269b204c36281323e011a6294806b47c03da0c93f8e6b91163bc0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F99 4840 bytes
font_02_sfnt_off00009ff6.bin
e361c81b24a24cd1e55bd4389126c8b9d842a71724d13fb1e249fea332664cba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9FF6 8148 bytes
font_03_sfnt_off0000b694.bin
a314dcf01c5fa1cb8050867a8f45f70b8af500bd477629371c3b36d5d5c3f79e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB694 11388 bytes
font_04_sfnt_off0000dc62.bin
ed9692b61fa5afd000d355778cc786ef46979fa0a7ac56fca432317f6e46587a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC62 17076 bytes

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