Malicious PDF — malware analysis report

Static analysis result for SHA-256 981602856151f572…

MALICIOUS

PDF

39.7 KB Created: 2020-07-29 02:25:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b18987a3279b5307164b3b3d84c134d SHA-1: 54be7120e46e63a2e134e9396c8ecd23c861bc11 SHA-256: 981602856151f57274893f95fbde7de9a81a81178e005a9b9cfda1578bd3d313
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with heuristics indicating it functions as a link farm. One of the primary links, 'https://ttraff.com/pify?keyword=chocolate+lava+cake+photo', is flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to malicious websites, likely for phishing or malware distribution.

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=chocolate+lava+cake+photo
    • http://files.cottonginmuseum.org/uploads/1/3/0/7/130740252/duvalawureke_vigibowekuf_xalifib.pdf
    • http://files.feltham-twickenham-ps.com/uploads/1/3/1/0/131071037/wibutidale-kiginetose-sexevafonuk-nibuzolubixeti.pdf
    • http://files.orchidbakery.co.uk/uploads/1/3/0/7/130775653/15a0753f53737ae.pdf
    • https://cdn.shopify.com/s/files/1/0428/2135/3635/files/dazowesamerutipegesima.pdf
    • https://cdn.shopify.com/s/files/1/0435/1908/2651/files/91661156164.pdf
    • https://cdn.shopify.com/s/files/1/0432/5664/3739/files/dituke.pdf
    • https://cdn.shopify.com/s/files/1/0437/6995/4456/files/52584419928.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/nerotumudotuziniparegit.pdf
    • https://cdn.shopify.com/s/files/1/0429/3997/3788/files/fufagekama.pdf
    • https://cdn.shopify.com/s/files/1/0431/3638/5175/files/woredipumibidagolakomoxas.pdf
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/tediwunedidezujebugirop.pdf
    • https://cdn.shopify.com/s/files/1/0432/6454/0835/files/vawesatawigatekufomajod.pdf
    • https://cdn.shopify.com/s/files/1/0435/2697/9739/files/nivewigo.pdf
    • https://cdn.shopify.com/s/files/1/0441/1329/7560/files/sutijidebiv.pdf
    • https://cdn.shopify.com/s/files/1/0429/0497/7564/files/70373659196.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_off0000602c.bin
94c4dc6e12242f902511917bcc20ed8dde3b455c1a32fa666f959273d04e0fc9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x602C 4528 bytes
font_01_sfnt_off00006fa6.bin
aadd4a784312e025c2c4aa579c4c09e473fe8b1dd8028c3087e483b11a235a6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA6 10016 bytes

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