Malware Insights
The PDF file contains multiple embedded links, with one identified as a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the link 'https://ttraff.ru/pify?keyword=bsac+endocarditis+pdf' leads to known malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests a large number of external PDF links, with 'https://cdn.shopify.com/s/files/1/0433/7870/4536/files/76258832068.pdf' being a prominent example. The document body, though heavily obfuscated, contains keywords that might be used in social engineering lures. The primary attack vector appears to be directing users to malicious URLs.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=bsac+endocarditis+pdf
- http://files.ncstrategicperformancesystems.com/uploads/1/3/1/3/131382700/zefovomovexiv.pdf
- http://files.cornishhols.com/uploads/1/3/1/3/131383743/popilij-wevuposatutuf-luvavavibeg.pdf
- http://files.wadelightheart.net/uploads/1/3/0/8/130873903/9da5f78661d81.pdf
- http://files.mehanphoto.com/uploads/1/3/1/3/131383207/f79cfd0a6.pdf
- http://files.summasportswear.com/uploads/1/3/1/4/131453807/118d8e22a22790b.pdf
- https://cdn.shopify.com/s/files/1/0433/7870/4536/files/76258832068.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/fijugagubiweb.pdf
- https://cdn.shopify.com/s/files/1/0434/6911/1448/files/kemobegajixavewipeg.pdf
- https://cdn.shopify.com/s/files/1/0429/3387/8940/files/wamolaxinusikuzijurixoda.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/78287634942.pdf
- https://cdn.shopify.com/s/files/1/0433/1870/6341/files/fejaravogubudon.pdf
- https://cdn.shopify.com/s/files/1/0437/1313/4757/files/34267784561.pdf
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/nagejedabeguwusi.pdf
- https://cdn.shopify.com/s/files/1/0436/4913/8846/files/lefufuzepiro.pdf
- https://cdn.shopify.com/s/files/1/0428/1224/4134/files/1761301318.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_off00015bca.bin3be96c86421300eb0e52919840969adcef694ae292109132a2149f8e5a4b6355 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15BCA | 4952 bytes |
font_01_sfnt_off00016ca1.binaa860931ed5f4951857b7d574910d544e931e77b8acbde83cd8f96060e257576 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CA1 | 12584 bytes |
font_02_sfnt_off0001954a.bin43dd7310e986e37c0562d6efd2a67b6291a0d41fa892ecd43b306c3e7231f7b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1954A | 16148 bytes |
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