Malicious PDF — malware analysis report

Static analysis result for SHA-256 b868149578468d2d…

MALICIOUS

PDF

46.9 KB Created: 2020-08-02 13:31:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83049bb8d8d964c4a533f2e9e24f967a SHA-1: 9f7b4a50a028b57a50356df3abba172ce5de4a1e SHA-256: b868149578468d2dff056d97ad4a6146dd36f3527ad1e066ae66bd5880daf7ce
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains text related to 'White house petitions bill maher' and the malicious URL. The primary attack pattern involves redirecting the user to a malicious site via a link within the document.

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=white+house+petitions+bill+maher
    • http://files.heartcbarrelhorses.com/uploads/1/3/2/6/132682974/forinotaguz.pdf
    • http://files.fleischerallstars.com/uploads/1/3/1/1/131164002/fukuxa_poripaxuvelativ_dedujox.pdf
    • http://files.kassandraheap.com/uploads/1/3/2/6/132695662/kopifopija-jenesabiru-bujapolalig-semigubob.pdf
    • http://files.saintjosephsculturalcenter.org/uploads/1/3/1/8/131871568/3cb3d.pdf
    • https://cdn.shopify.com/s/files/1/0432/5385/8472/files/66641800389.pdf
    • https://cdn.shopify.com/s/files/1/0431/5535/7852/files/samuwegewa.pdf
    • https://cdn.shopify.com/s/files/1/0435/8651/9203/files/vewes.pdf
    • https://cdn.shopify.com/s/files/1/0430/2739/8807/files/tovokekajemofogibaxuxasi.pdf
    • https://cdn.shopify.com/s/files/1/0435/4814/7867/files/68847182889.pdf
    • https://cdn.shopify.com/s/files/1/0437/7542/6722/files/vexudironerufaga.pdf
    • https://cdn.shopify.com/s/files/1/0429/9682/6273/files/nusuwotawizaweboli.pdf
    • https://cdn.shopify.com/s/files/1/0428/3842/5767/files/58063019457.pdf
    • https://cdn.shopify.com/s/files/1/0429/1824/8601/files/91713461419.pdf
    • https://cdn.shopify.com/s/files/1/0430/7176/6690/files/56332533707.pdf
    • https://cdn.shopify.com/s/files/1/0436/1561/7182/files/timaparonupaxopavaresa.pdf
    • https://cdn.shopify.com/s/files/1/0432/7541/9798/files/farukuxatozolesopamimuzim.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_off00006d95.bin
b03212a4d94c938547b5d002a8471892770966fb46749fba0903916141c59f94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D95 5092 bytes
font_01_sfnt_off00007eb2.bin
7c1a5357fc0508f6a4f56332e4dacf8774c1c05273f35eaff60b08fb4c267e6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EB2 9944 bytes
font_02_sfnt_off0000a0b8.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA0B8 4324 bytes

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