MALICIOUS
128
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic indicating it is a malicious redirector link, pointing to a URL associated with a known malicious redirector. The document body and embedded URLs suggest a lure to download textbooks, which is a common social engineering tactic. The presence of numerous external PDF links further supports the classification as a link farm, likely intended to drive traffic to malicious sites.
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.ru/wb?keyword=anesthesia%20textbooks%20free%20download%20pdf
- http://files.madebeautifulby.com/uploads/1/3/2/3/132303219/nudaruwavofotu-mutajotus.pdf
- http://korupogad.codlantic.is/uploads/1/3/1/4/131437826/rifuwotu.pdf
- http://files.cobh.coralleisure.ie/uploads/1/3/0/9/130969999/vaduzabemofas.pdf
- http://files.mackenzywatsonsportfolio.com/uploads/1/3/1/8/131857655/4715870.pdf
- http://sogalo.fshockeyacademy.com/uploads/1/3/1/4/131438096/0f4f36623acb1bd.pdf
- https://cdn.shopify.com/s/files/1/0430/2834/9085/files/36233565881.pdf
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/panisonic_fax_machine.pdf
- https://cdn.shopify.com/s/files/1/0437/4947/4453/files/arnhem_map.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8626/files/zukemofelov.pdf
- https://cdn.shopify.com/s/files/1/0430/8615/1833/files/65556764403.pdf
- https://cdn.shopify.com/s/files/1/0427/5293/4044/files/26123238590.pdf
- https://cdn.shopify.com/s/files/1/0434/3349/2641/files/62272699948.pdf
- https://cdn.shopify.com/s/files/1/0430/6845/7122/files/16561893172.pdf
- https://cdn.shopify.com/s/files/1/0432/7122/5502/files/39261835341.pdf
- https://cdn.shopify.com/s/files/1/0452/3776/4256/files/isquemia_cerebral_transitoria_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/41237697524.pdf
- https://cdn.shopify.com/s/files/1/0434/8428/3033/files/3152476736.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_off0000877f.bin02b9d0261d19e8fd7fb61dac6125b29a816f9e5a07bf0ed02ea9ea2d8cbdf0ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x877F | 5484 bytes |
font_01_sfnt_off00009a23.binb540e2d4fa38fa3eb023ee49c0dc8dfa4947d221d5b2296665d4c6f7d5f9dc5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A23 | 10312 bytes |
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