MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link and a mass external PDF link farm, indicating an attempt to lead the user to malicious content. The presence of a 'download button' lure further supports a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to facilitate the download of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=addtype+application%252F+octet-+stream.+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_1d163810ada24ba784c1420a6b0adf84.pdf
- https://static.usrfiles.com/ugd/b8c837_1eb70771c05c47339808ce0a2527449b.pdf
- https://static.usrfiles.com/ugd/b8c837_f6702595760a40aeb536cb3959b8be63.pdf
- https://static.usrfiles.com/ugd/b8c837_0c43ab42b40f4f7a892d247be19dfa8a.pdf
- https://static.usrfiles.com/ugd/b8c837_9777f37234af426b81211da50e060df8.pdf
- https://static.usrfiles.com/ugd/f0e51d_7f6395c8b4d94009a4f0ce2759aeaa4e.pdf
- https://cdn.shopify.com/s/files/1/0432/1892/7779/files/gokadevamogusazagafenof.pdf
- https://cdn.shopify.com/s/files/1/0432/6824/3624/files/bihar_stet_computer_science_syllabus_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/8925187455.pdf
- https://cdn.shopify.com/s/files/1/0438/2697/0786/files/jelly_bean_worksheets_kindergarten.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_off00005621.binf8f6e9cbd00363eb90065db1bef80ea96fff97001f16eb98dbb1e1933d2b80d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5621 | 5492 bytes |
font_01_sfnt_off000068cd.binaa71234ac0f9c58f5a8c2ebdd5400618e94af48dcdc3663611eb43dbbcdd957c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68CD | 10160 bytes |
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