Malicious PDF — malware analysis report

Static analysis result for SHA-256 b39c72de7013525b…

MALICIOUS

PDF

48.2 KB Created: 2020-08-10 08:27:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 445e8a4dde9740808bb82f19c7ae4020 SHA-1: 9e61f16d1598844ff3a439f321a4f238568ea901 SHA-256: b39c72de7013525b4b7ee649f3ee596f12defc2e31430ce5bdc6a036a9826a70
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link, 'https://ttraff.cc/pify?keyword=liste+des+pays+d+afrique+et+leurs+capitales+pdf', is a known malicious redirector. This suggests the document is designed to redirect users to malicious content or phishing sites. 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.cc/pify?keyword=liste+des+pays+d+afrique+et+leurs+capitales+pdf
    • http://files.buffalocityoflight.org/uploads/1/3/2/6/132696351/besobalem_tisop_xegovom_gogugiwerux.pdf
    • http://files.hubcapanniepky.com/uploads/1/3/2/6/132682802/facb5dee6b.pdf
    • http://files.yenshuo.com/uploads/1/3/0/9/130969944/1cb0d378347b3e6.pdf
    • http://files.electricstormecigs.com/uploads/1/3/1/3/131398204/2338388.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13170590630.pdf
    • https://cdn.shopify.com/s/files/1/0448/7803/7159/files/thenmala_ecotourism.pdf
    • https://cdn.shopify.com/s/files/1/0430/1576/6177/files/93820305835.pdf
    • https://cdn.shopify.com/s/files/1/0439/8520/7454/files/jofafodoleme.pdf
    • https://cdn.shopify.com/s/files/1/0433/6936/5654/files/baxopofularubumuv.pdf
    • https://cdn.shopify.com/s/files/1/0428/0070/9791/files/4381385666.pdf
    • https://cdn.shopify.com/s/files/1/0435/7842/5507/files/biblia_latinoamericana_san_pablo.pdf
    • https://cdn.shopify.com/s/files/1/0430/3087/2215/files/22428352464.pdf
    • https://cdn.shopify.com/s/files/1/0429/8083/5482/files/alvaro_mutis_poemas.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_off00006c60.bin
35930269459b34dd349b88e5d655dfb650df311a3c395d506a4343db9584dc84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C60 4984 bytes
font_01_sfnt_off00007d69.bin
681c060519e795f8cd4de8f0e41ae431118f080787608bc2061b9dc79cc38a4b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D69 12016 bytes
font_02_sfnt_off0000a3da.bin
7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA3DA 4324 bytes

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