Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b121023aeb3f5ea…

MALICIOUS

PDF

132.4 KB Created: 2020-08-02 14:58:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 966a5c2cf011910d5aa8f227bf811726 SHA-1: 4c30e3af0d39e6d4865a4de4ac2c9d155303482c SHA-256: 1b121023aeb3f5ea9b06f9b178d238dfb237f3691c778e2e8f2ad5b6f289097e
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary purpose is to redirect the user to malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, likely to manipulate search engine results or distribute malware.

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=xslt+group+by
    • http://files.campmiller.com/uploads/1/3/1/4/131453214/1083258.pdf
    • http://files.paintingsartfromtheheart.com/uploads/1/3/2/6/132683289/lidebo.pdf
    • http://files.modernnaturefilm.com/uploads/1/3/0/8/130874252/lanubitefifa_nonijejerujo_mezojus_zamudubumano.pdf
    • http://files.updateshappen.com/uploads/1/3/1/3/131380107/jiwabenodopuve.pdf
    • https://cdn.shopify.com/s/files/1/0433/9499/0247/files/fagew.pdf
    • https://cdn.shopify.com/s/files/1/0432/1473/3480/files/82533185510.pdf
    • https://cdn.shopify.com/s/files/1/0431/2816/0420/files/xenamiz.pdf
    • https://cdn.shopify.com/s/files/1/0427/4615/1078/files/one_lyrics_ed_sheeran.pdf
    • https://cdn.shopify.com/s/files/1/0439/0912/0152/files/niwetadavewugisazira.pdf
    • https://cdn.shopify.com/s/files/1/0428/0179/1132/files/85035640585.pdf
    • https://cdn.shopify.com/s/files/1/0434/8493/8390/files/64054504414.pdf
    • https://cdn.shopify.com/s/files/1/0430/5806/9655/files/jewulafubevejogirubobufag.pdf
    • https://cdn.shopify.com/s/files/1/0430/3834/3322/files/arcane_focus_or_component_pouch.pdf
    • https://cdn.shopify.com/s/files/1/0437/6998/7223/files/25883130674.pdf
    • https://cdn.shopify.com/s/files/1/0432/2587/4600/files/7429968178.pdf
    • https://cdn.shopify.com/s/files/1/0430/5492/3925/files/guide_to_sql_pratt.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_off0001ba24.bin
b0efb14b16934bdf3484dd6c742519e10c0d8760511cab920535323175730d5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BA24 4996 bytes
font_01_sfnt_off0001cb33.bin
602fd3aab565fe23bca981e021d99641997765ac20d2b662fe651ee9c0bd1106		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CB33 17836 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.