MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which points to `https://ttraff.ru/pify?keyword=campbell+biology+in+focus+1st+edition+online+pdf`. This URL is designed to lure users with a search query for a biology textbook, likely as a pretext to deliver a malicious payload. The document also contains a PDF link farm, with many links pointing to shopify.com, but the primary redirector is the most concerning IOC. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=campbell+biology+in+focus+1st+edition+online+pdf
- http://files.fulbrightinfinland.com/uploads/1/3/2/7/132710763/tolekusepimemex.pdf
- http://files.oktakemtrading.com/uploads/1/3/2/6/132696351/169d9e8a2a.pdf
- http://leloxasi.psychedynamic.com/uploads/1/3/1/3/131384401/gizilopozomixew.pdf
- https://cdn.shopify.com/s/files/1/0448/5742/6081/files/set_up_teams_gen_1_ou.pdf
- https://cdn.shopify.com/s/files/1/0435/6354/8833/files/88113798263.pdf
- https://cdn.shopify.com/s/files/1/0433/1474/1413/files/72324735413.pdf
- https://cdn.shopify.com/s/files/1/0431/5555/4458/files/68092866246.pdf
- https://cdn.shopify.com/s/files/1/0432/8675/7536/files/saduvubavusawegesage.pdf
- https://cdn.shopify.com/s/files/1/0440/7663/0181/files/16238277952.pdf
- https://cdn.shopify.com/s/files/1/0428/3439/5295/files/24090559768.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/98545896439.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/men_in_black_3_free_online.pdf
- https://cdn.shopify.com/s/files/1/0428/3056/1447/files/timex_ironman_triathlon_manual.pdf
- https://cdn.shopify.com/s/files/1/0430/9689/9733/files/nuvos.pdf
- https://cdn.shopify.com/s/files/1/0432/1184/9890/files/40328301517.pdf
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/rewidi.pdf
- https://cdn.shopify.com/s/files/1/0428/8148/2919/files/mubewari.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_off000070c6.bin60dff45ace9bf57ae792876883188192be3ec165eee896e3a98b1492bc91f54f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70C6 | 5576 bytes |
font_01_sfnt_off000083b8.binb559043ab460ad1286eacb5c1a844851beae79cdf5643a0b62d88d5798b6580c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83B8 | 10904 bytes |
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