MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body, though heavily obfuscated, contains a URL that matches the redirector link found in the heuristics. This suggests the document is designed to lead users to malicious infrastructure, likely for further exploitation or phishing.
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=math+154b+solving+using+the+quadratic+formula+worksheet+answers+with+work
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/c20ea7_79c303bc62fc4e1caea9e94ca502ca95.pdf
- https://static.usrfiles.com/ugd/837d34_4d078217f7744eca90115700937e3ce3.pdf
- https://static.usrfiles.com/ugd/822ecd_42919a3884104d14936d31bb5c6ce809.pdf
- https://static.usrfiles.com/ugd/b8c837_e268caaef2da41fcadac0c154334b4f2.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xirapekewovefosisukepeja.pdf
- https://cdn.shopify.com/s/files/1/0448/2826/2560/files/bullers_wood_sixth_form_prospectus.pdf
- https://cdn.shopify.com/s/files/1/0434/4355/2416/files/velekuraj.pdf
- https://static.usrfiles.com/ugd/b58d21_ade4d7156ff0432eae6a6da443e99fa6.pdf
- https://static.usrfiles.com/ugd/df4650_939ed1eddaac4dda8380ba91ca6880a4.pdf
- https://static.usrfiles.com/ugd/e643da_0efd9f617534480f889c048a88ec3655.pdf
- https://static.usrfiles.com/ugd/8de238_7899e99654b740bea39f15d77110e563.pdf
- https://static.usrfiles.com/ugd/9219f8_fc2bf1d27b624b82befecb9a21208296.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0401/files/vomiting_in_infants.pdf
- https://cdn.shopify.com/s/files/1/0432/6519/6197/files/angamaly_diaries_full_movie_cinemavilla._net.pdf
- https://cdn.shopify.com/s/files/1/0435/8216/1053/files/jidojogesasu.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_off00005d66.bin8ded1fafb1e294e12c2ae566a3d40e6aa398a6c1734ca2206e65244358ec87cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D66 | 6188 bytes |
font_01_sfnt_off00007267.binae976ca1e5cd1d568e867456f14ab0c38e3fff295adc338948e7ad645995d9a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7267 | 10236 bytes |
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