Malicious PDF — malware analysis report

Static analysis result for SHA-256 f34b744aedd8f893…

MALICIOUS

PDF

41.2 KB Created: 2020-08-19 22:33:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 401e2150bcb3226d62fa73462857d96b SHA-1: f8c746b05ee5c7aec42f0120c015edc48e7df5d1 SHA-256: f34b744aedd8f893d1d0f9a6c0c99dae3886d2117f39897c1c09b42d48fb2c93
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=veronica+guerin+soundtrack, suggesting a lure related to the 'Veronica guerin soundtrack'. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm strategy to distribute malicious content.

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=veronica+guerin+soundtrack
    • http://mowad.tremontsports.com/uploads/1/3/1/6/131606490/ff0b3605e5e.pdf
    • http://files.sheltiesalberta.com/uploads/1/3/0/8/130874585/9574119.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67062005494.pdf
    • https://cdn.shopify.com/s/files/1/0432/7532/1499/files/8859358878.pdf
    • https://cdn.shopify.com/s/files/1/0434/5099/0753/files/sidunuwugi.pdf
    • https://cdn.shopify.com/s/files/1/0434/8785/4749/files/50289152826.pdf
    • https://cdn.shopify.com/s/files/1/0433/4875/4600/files/dog_faced_water_snake_care_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0431/8062/1984/files/suvokoladasosutemekuro.pdf
    • https://cdn.shopify.com/s/files/1/0429/0379/7916/files/the_art_of_war_arabic.pdf
    • https://cdn.shopify.com/s/files/1/0428/3983/4791/files/15163800010.pdf
    • https://cdn.shopify.com/s/files/1/0437/1713/2442/files/rakadotuberoja.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_off000054d2.bin
fd69cf8e16e63e0a2f31ea33ee7c5ec715be7a3638fff14cd906b8b72f26a910		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54D2 4988 bytes
font_01_sfnt_off000065d2.bin
d9155054308577a2116d8ce4c3c9a1ad6eec507c74e401e7438a9a4c775765b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65D2 10672 bytes
font_02_sfnt_off00008a16.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A16 4324 bytes

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