PDF malware analysis — malicious · b26f57caf91aaea1

MALICIOUS

PDF

43.3 KB Created: 2020-08-11 16:56:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 879758a4decb80153f4c2d242646fa19 SHA-1: beb7aede019e8aa68e6db368c11e011d626556b1 SHA-256: b26f57caf91aaea1b831179ea9c4248cae6ccb565524ddc5c84c9c20b860e794

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a mass of external links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=dtcc+blockchain+pdf', suggesting a lure to a malicious site. The presence of numerous Shopify-hosted PDF links indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination.

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.ru/pify?keyword=dtcc+blockchain+pdf
- http://xavudivi.nmdnyi.com/uploads/1/3/2/7/132740541/6700393.pdf
- http://files.johnandbeckyadoption.com/uploads/1/3/0/7/130776006/e42f456b.pdf
- http://telodawo.welcometo6h.com/uploads/1/3/2/6/132681352/kezomoge.pdf
- http://files.art2day.co.uk/uploads/1/3/0/7/130740256/7629612.pdf
- https://cdn.shopify.com/s/files/1/0429/1005/6615/files/bagutidukizuwomilagado.pdf
- https://cdn.shopify.com/s/files/1/0438/0321/3984/files/curriculum_vitae_formato_da_compilare.pdf
- https://cdn.shopify.com/s/files/1/0432/8158/0200/files/falekadubogegosezeten.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kofuka.pdf
- https://cdn.shopify.com/s/files/1/0434/8451/2418/files/woxuvikosuvurekejilo.pdf
- https://cdn.shopify.com/s/files/1/0431/6125/6091/files/ratemobepivizixorarad.pdf
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/all_in_the_family_theme_song_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/0047/1456/files/xilidefavexuxabotixo.pdf
- https://cdn.shopify.com/s/files/1/0435/4346/2037/files/72649907616.pdf
- https://cdn.shopify.com/s/files/1/0448/4261/4945/files/chapter_10_capital_budgeting_techniques_solutions_gitman.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/cholecystitis_management.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.

Filename	Kind	Source	Size
`font_00_sfnt_off0000613b.bin` `e62447c99d360276c4907418932da0e40ec2b55c90ebba2a13436e245c988c60`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x613B	5172 bytes
`font_01_sfnt_off000072c8.bin` `e2f2fcd185e1447dc8161a926454e86ef4bf23f5b9c24ccfa30343053fc5b4c7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x72C8	10004 bytes
`font_02_sfnt_off000094f8.bin` `8b6580eb7e18fde2b368b9fa166a7c4083fb741d140892367d10ed76c63f30df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94F8	2944 bytes

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