Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2e43f67a55d49cb…

MALICIOUS

PDF

46.7 KB Created: 2020-08-03 23:58:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49b33ab1c304c81cab6dfd72ff1e5fa9 SHA-1: 1079f735245e013592e26a1f803a5f4dbc6542cc SHA-256: d2e43f67a55d49cb3a1ab82df2d4d9d9c6f83bbd640503285fdb387eecace30e
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body and embedded links also indicate a lure to download a PDF reader, which is a common social engineering tactic. The primary malicious URL is https://ttraff.cc/pify?keyword=best+free+pdf+reader+windows+2020, which likely leads to further 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.cc/pify?keyword=best+free+pdf+reader+windows+2020
    • http://files.wrestlingdoneright.com/uploads/1/3/0/9/130970016/rowidomo-wawanagifeper-vexovaveri-zejolizepi.pdf
    • http://files.southbyland.com/uploads/1/3/1/6/131636655/c96c044bcfb5df.pdf
    • http://files.psychiccindy.com/uploads/1/3/1/3/131398008/salopi_morewepe_madupot_suwofozut.pdf
    • http://files.michaeljaigrant.com/uploads/1/3/1/4/131407737/7082772.pdf
    • https://cdn.shopify.com/s/files/1/0433/3630/2750/files/2007_gmc_sierra_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/0631/2098/files/25568735751.pdf
    • https://cdn.shopify.com/s/files/1/0430/9054/2743/files/pevojiwijalido.pdf
    • https://cdn.shopify.com/s/files/1/0437/3689/1544/files/46133208958.pdf
    • https://cdn.shopify.com/s/files/1/0433/0763/0747/files/purple_haze_tab.pdf
    • https://cdn.shopify.com/s/files/1/0430/0944/1953/files/berabodisiribevafabalo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8935/3117/files/68432834515.pdf
    • https://cdn.shopify.com/s/files/1/0432/9432/6949/files/81191250369.pdf
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/orvis_catalog.pdf
    • https://cdn.shopify.com/s/files/1/0429/4737/9356/files/luputumivitorezojidodi.pdf
    • https://cdn.shopify.com/s/files/1/0433/9525/2374/files/jogezid.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_off0000780b.bin
c3974fbd74548073b0d726c4ee4e18954d9413ee513b52d5bf84d1c3a7c40603		 pdf-font-stream PDF embedded font (sfnt) at offset 0x780B 5416 bytes
font_01_sfnt_off00008a9d.bin
7ab6b2466f29b0b0a86fd893a40d5dc2b7b72fd91907a7a446db37a1ce1e983d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A9D 10192 bytes

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