MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a redirector service, disguised with a search query for a textbook download. This suggests a phishing or scam attempt to drive traffic to malicious infrastructure. The PDF also hosts a large number of links to other PDFs, indicating a potential link farm or SEO poisoning tactic. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.
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.com/wix?keyword=molecular+biology+of+the+gene+watson+7th+edition+pdf+free+download
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/cc14e4_d3ae995dd23f40dd87e4842f223709af.pdf
- https://static.usrfiles.com/ugd/6924eb_bd3affabcf184b64b03ea3bc34cda20c.pdf
- https://static.usrfiles.com/ugd/b8c837_0456f83b53964426a41325bac41d8f95.pdf
- https://static.usrfiles.com/ugd/b8c837_d5525ed7b916441298663e2afd7080dd.pdf
- https://static.usrfiles.com/ugd/963627_d436010bc6ca4db3bc4109932ea7e693.pdf
- https://static.usrfiles.com/ugd/4d400c_fb72112760b64035a1235eb54e44d948.pdf
- https://static.usrfiles.com/ugd/b8c837_4bc6a584438644838b5e22bc81baf359.pdf
- https://static.usrfiles.com/ugd/a18aa6_c9230ae006244f5887ee296c262ee227.pdf
- https://static.usrfiles.com/ugd/3b7182_a5d4d45d6a7e44a7b4042a95ce5afbf4.pdf
- https://static.usrfiles.com/ugd/b8c837_e2b7ad57c16844b7aa4a5a192e0c8564.pdf
- https://static.usrfiles.com/ugd/b8c837_1b0978d96f8c45b39f765347f84a02ea.pdf
- https://static.usrfiles.com/ugd/8b4172_36777e5991fa4e7883122397ccd6236b.pdf
- https://static.usrfiles.com/ugd/b0cd75_cd86987438af43aba73fe42484aad941.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065c0.bin3e7aa0e75236a545b5350ec4c9ebc327c48ec487479979afbc4cc3984c5c4a78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65C0 | 5836 bytes |
font_01_sfnt_off000079bc.bin30c82acd9e1e4ca2d65aeb1037b7c57ac39a14eabbff1e51154012f56e0732db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79BC | 10088 bytes |
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