MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'vocabulary exercises' and a URL that appears to be a lure. The presence of numerous external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content.
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.link/wix?keyword=vocabulary+exercises+for+high+school+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b444d4_261e0717ade74acaaf2dc9a0dcfeebff.pdf
- https://static.usrfiles.com/ugd/594ae5_72d7d576e6f34088939d914961520bb1.pdf
- https://static.usrfiles.com/ugd/3b7182_1691d496a1ff436b8c8e64198a3731c4.pdf
- https://static.usrfiles.com/ugd/843280_0eadf1ad1ab14ad6b4c2040630acb9a1.pdf
- https://static.usrfiles.com/ugd/b18e4d_05c2337ba449414fa5bfa4c045724f35.pdf
- https://cdn.shopify.com/s/files/1/0436/8714/9733/files/how_to_uninstall_utorrent.pdf
- https://cdn.shopify.com/s/files/1/0428/1060/5735/files/kitajaxepusetewoso.pdf
- https://cdn.shopify.com/s/files/1/0433/5514/4347/files/goderibirirove.pdf
- https://cdn.shopify.com/s/files/1/0436/5172/7513/files/online_reservation_form.pdf
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/49016047302.pdf
- https://cdn.shopify.com/s/files/1/0433/9502/3013/files/metformin_max_dose_medscape.pdf
- https://cdn.shopify.com/s/files/1/0464/9022/2744/files/24729834844.pdf
- https://static.usrfiles.com/ugd/b8c837_e125ae4e91294d01ae199ca72fba06ab.pdf
- https://static.usrfiles.com/ugd/2a2e94_31c4ba422c4544788811a9de779d5b97.pdf
- https://static.usrfiles.com/ugd/3fd21f_eb3c3e7d8c0e46359519fb6fbf2d1b51.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_off000060e3.bin6542979c88c3abc9e4b827d7600871abf9cc23d14535c21889a73af6784b046a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60E3 | 5692 bytes |
font_01_sfnt_off00007448.bin8783ef89a4b5d72671afa0d72f0c33d18773ac2671e17185eeaa9c5bc90feffc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7448 | 10048 bytes |
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