MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by an ML classifier and contains a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL and appears to be a lure for users interested in reading strategies. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic. No scripts were extracted, but the PDF structure itself facilitates the redirection.
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.ru/wix?keyword=avid+critical+reading+strategies
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/76156b_8cd49b6595564b05997a8eba6daffd66.pdf
- https://static.usrfiles.com/ugd/b8c837_ffc0bdad52cc469999d2b6e070ec88c8.pdf
- https://static.usrfiles.com/ugd/ae15ca_4029e7b6be68475aa2e834a7768602cc.pdf
- https://static.usrfiles.com/ugd/b8c837_f25449f8f3d245d2bead0c1867bef2d9.pdf
- https://static.usrfiles.com/ugd/2b3f46_7743a0f517304eb380bf5c7df7cb09b9.pdf
- https://static.usrfiles.com/ugd/b8c837_b19415cbbbb84587b00bd428bcd33622.pdf
- https://static.usrfiles.com/ugd/2ca09c_56f907fa06dd415d8d98ce9dacbc28c0.pdf
- https://static.usrfiles.com/ugd/48d9a1_c2d8ba1adf5644589881623e7dac463d.pdf
- https://cdn.shopify.com/s/files/1/0440/8731/2534/files/microsoft_word_travel_brochure_template_free.pdf
- https://cdn.shopify.com/s/files/1/0434/4525/6352/files/punuvu.pdf
- https://cdn.shopify.com/s/files/1/0440/7640/0792/files/wumoxabamuboloz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52876055892.pdf
- https://static.usrfiles.com/ugd/b8c837_7018903051f044beb3f1af54db9e7b8c.pdf
- https://static.usrfiles.com/ugd/c0b427_7ecc069dc1cf42c9b1677e89dfc0a8dd.pdf
- https://static.usrfiles.com/ugd/b7082a_8a2b7822f3f643d6ae05b2b6c027cfd4.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_off000063e4.bin76cb9a0f20ec1aacb33b7625a86df5e8df001a1fa566798b58cb75c8f71b99bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E4 | 5156 bytes |
font_01_sfnt_off0000757d.binc067e466c0f64cc22e8fea50e5ff02694b71acd9aea36d30cf38cb0ebca9f19a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x757D | 10076 bytes |
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