Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff3cd3488ac7e985…

MALICIOUS

PDF

47.4 KB Created: 2020-08-11 19:22:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0badea8fe5c15189d399ed7840d250f5 SHA-1: 897530f364577c506ca908dc58b12ffc6ab2f1d0 SHA-256: ff3cd3488ac7e985d2fecce95f0ccbe96dcd8413ad57ec53a6ed6c4be56f2ac9
128 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector link to 'https://ttraff.com/pify?keyword=astrologer+s+handbook+pdf'. The document body, though heavily obfuscated, contains references to the same URL and other benign Shopify links, suggesting a lure to download further malicious content. The presence of numerous external links, many pointing to Shopify domains with numeric slugs, indicates a link farm SEO technique to obscure the malicious redirector.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=astrologer+s+handbook+pdf
    • http://files.lakuyaeko.com/uploads/1/3/0/8/130814308/29cc82ac3a13.pdf
    • http://files.brothersautoparts5.com/uploads/1/3/0/7/130739062/553b6a90.pdf
    • http://files.championtheatre.com/uploads/1/3/1/4/131406348/gexadifove-jaluluzubaxa-fijivuj-pukotutunab.pdf
    • http://boroma.rebeccajaynephotography.com/uploads/1/3/1/4/131406149/5897044.pdf
    • http://bawufoba.milltownmonitor.com/uploads/1/3/2/6/132682646/gezerifazowesija.pdf
    • https://cdn.shopify.com/s/files/1/0438/0898/1153/files/79722617227.pdf
    • https://cdn.shopify.com/s/files/1/0431/2724/2914/files/tecnicas_de_abordagem_policial.pdf
    • https://cdn.shopify.com/s/files/1/0432/1286/5693/files/74564737021.pdf
    • https://cdn.shopify.com/s/files/1/0428/4959/9651/files/2936221180.pdf
    • https://cdn.shopify.com/s/files/1/0433/7316/6757/files/12611648882.pdf
    • https://cdn.shopify.com/s/files/1/0436/4202/8182/files/genajowuwabugazifu.pdf
    • https://cdn.shopify.com/s/files/1/0432/8456/2086/files/fofurolatagefexol.pdf
    • https://cdn.shopify.com/s/files/1/0434/4384/7328/files/josupexejofotugegasufu.pdf
    • https://cdn.shopify.com/s/files/1/0439/9559/4910/files/anatomia_y_fisiologia_del_ano.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vonabubabosutogoxofe.pdf
    • https://cdn.shopify.com/s/files/1/0433/5697/9351/files/series_7_books.pdf
    • https://cdn.shopify.com/s/files/1/0432/5369/4626/files/chemistry_all_formula_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/pugajifobadufunuv.pdf
    • https://cdn.shopify.com/s/files/1/0436/1525/6738/files/33502162716.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_off00007a63.bin
370dbd1940178a89fcb9025574ef0389f0b77d0ace66e3b550ba7f4239aaf0ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A63 5496 bytes
font_01_sfnt_off00008d05.bin
20472079e6d57a2ea40c4ec6edb1a0adf816817ce9297f39e9d98ce3525a506c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D05 10304 bytes

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