Malware Insights
The PDF contains a heuristic firing for a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=wrist+exercises+pdf+aaos'. It also exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The document body, though heavily obfuscated, contains the same malicious URL and appears to be a lure for 'wrist exercises pdf aaos'. The presence of a visual download button heuristic further supports a social engineering attack. The primary attack pattern involves tricking the user into clicking a malicious URL disguised as a legitimate document.
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Embedded URL info EMBEDDED_URLOne 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=wrist+exercises+pdf+aaos
- http://files.tedlandonline.com/uploads/1/3/1/4/131453967/0467f.pdf
- http://files.santekorwestisland.com/uploads/1/3/2/8/132814544/4666134.pdf
- http://lasejad.psvideography.com/uploads/1/3/0/8/130814328/256eddb6d3e04.pdf
- https://cdn.shopify.com/s/files/1/0434/0603/3052/files/administered_price_definition.pdf
- https://cdn.shopify.com/s/files/1/0430/1897/7443/files/2106133963.pdf
- https://cdn.shopify.com/s/files/1/0432/4553/5400/files/brucellosis_in_pregnancy.pdf
- https://cdn.shopify.com/s/files/1/0429/4728/1062/files/7th_chords_piano.pdf
- https://cdn.shopify.com/s/files/1/0435/5325/9679/files/nuzufovu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdf
- https://cdn.shopify.com/s/files/1/0435/3314/0127/files/13835304037.pdf
- https://cdn.shopify.com/s/files/1/0431/2721/0144/files/biochemistry_mbbs.pdf
- https://cdn.shopify.com/s/files/1/0431/7334/7488/files/98102680080.pdf
- https://cdn.shopify.com/s/files/1/0429/6753/1673/files/counter_strike_source_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/7857/3464/files/wumina.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000647c.bin4063374be8fa0ae6b1dd50384f0d38cea0a3eb4a9d7023de0ec4e41191459778 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x647C | 5200 bytes |
font_01_sfnt_off00007647.bin36811d62da5fe4af3cec6fff7cf386732f9cfc3844fde5cc9304df1e773be969 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7647 | 12040 bytes |
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