Malicious PDF — malware analysis report

Static analysis result for SHA-256 b96df8ef178c6372…

MALICIOUS

PDF

47.9 KB Created: 2020-07-28 09:38:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: fe64e10616bd6961d026e41f5721c759 SHA-1: b120a92a7c48d1401ef90b84b8114ef6be9b0404 SHA-256: b96df8ef178c63727433e33e134083a1c03bc5e36052e9a1f9ecbf1cb7a85227
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, including one pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to 'Instagram template banners'. This indicates a phishing attempt designed to redirect users to malicious infrastructure.

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=instagram+template+banners+50+designs
    • http://files.younglifeplano.com/uploads/1/3/1/1/131164176/6702717.pdf
    • http://files.fairfieldtaxpayer.com/uploads/1/3/2/7/132740836/81368ff9b40b7.pdf
    • http://files.ccvcri.com/uploads/1/3/0/9/130969032/578007.pdf
    • http://files.marginendeavour.co.uk/uploads/1/3/0/7/130775800/9922613.pdf
    • http://files.grouchosonthesquare.com/uploads/1/3/1/4/131410479/botak.pdf
    • https://cdn.shopify.com/s/files/1/0433/2270/4030/files/82057130815.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/turob.pdf
    • https://cdn.shopify.com/s/files/1/0435/0027/3830/files/kazuvinurofiki.pdf
    • https://cdn.shopify.com/s/files/1/0430/7012/8277/files/41214505430.pdf
    • https://cdn.shopify.com/s/files/1/0434/8290/6789/files/dovalivoputedixose.pdf
    • https://cdn.shopify.com/s/files/1/0433/0812/2280/files/24979075073.pdf
    • https://cdn.shopify.com/s/files/1/0433/5783/1326/files/95314710497.pdf
    • https://cdn.shopify.com/s/files/1/0430/2100/9053/files/sifopez.pdf
    • https://cdn.shopify.com/s/files/1/0428/3006/9927/files/61277599686.pdf
    • https://cdn.shopify.com/s/files/1/0432/7725/4814/files/85592843838.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_off00007dfe.bin
80b5d9b9f614818957b7140b88592a2d4467027f8a7a36767dbc0fe82ead5a23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DFE 5300 bytes
font_01_sfnt_off00008fd2.bin
85cdfc4367999200cbbb4d18fa535dbf41e742a23391b1f776561d452350509a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FD2 10028 bytes

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