MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though partially corrupted, includes text related to 'understanding your college experience' and a URL that points to a redirector. The presence of a large number of external PDF links suggests a link farm or redirection strategy to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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/wix?keyword=understanding+your+college+experienc
- https://cdn.shopify.com/s/files/1/0437/2480/0154/files/jijawixamupijiribarefilot.pdf
- https://cdn.shopify.com/s/files/1/0431/6397/5835/files/varuxarope.pdf
- https://cdn.shopify.com/s/files/1/0438/9535/7595/files/80004723289.pdf
- https://cdn.shopify.com/s/files/1/0429/1336/6182/files/zofujezesalevululu.pdf
- https://cdn.shopify.com/s/files/1/0430/1540/5725/files/60185399013.pdf
- https://cdn.shopify.com/s/files/1/0440/7335/3366/files/nationwide_isa_transfers.pdf
- https://cdn.shopify.com/s/files/1/0437/5353/7685/files/download_anthony_giddens_sociology.pdf
- https://static.usrfiles.com/ugd/5438e3_006d57847d194c5b8436648db3e4835a.pdf
- https://static.usrfiles.com/ugd/a298ce_847a97b4b7414fb69fd29b103e5c3e67.pdf
- https://static.usrfiles.com/ugd/69b86f_fd234cd9a0cf4961b5c146e5e4925d60.pdf
- https://static.usrfiles.com/ugd/06497e_ea608dfe18a04734908864b99cab8f2f.pdf
- https://static.usrfiles.com/ugd/756799_7ffe01aede0b449d979941dc8aaa1e6f.pdf
- https://static.usrfiles.com/ugd/8de238_28fe0c6282e64861a4a48d49b2c33592.pdf
- https://static.usrfiles.com/ugd/191a6d_1b6d2e150d81401a9826bce5eab2fd28.pdf
- https://static.usrfiles.com/ugd/b8c837_6a08c401915e4bd18991ef63afac1668.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_off0000681c.bin75d72eaec70a25824c922aca6326237496b62c43134d50848db47420a63f210b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681C | 5404 bytes |
font_01_sfnt_off00007a91.binc69cb784bc3bbc8b216aca37ebf7fb5c1fcebe8ff53daa64351d6e4e9124379e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A91 | 10232 bytes |
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