MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The ML classifier strongly indicates maliciousness. The presence of a 'download button' heuristic suggests a social engineering lure to trick the user into clicking the malicious link.
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/pify?keyword=good+table+manners+worksheet
- http://files.deepsouthbasketball.ca/uploads/1/3/0/7/130740011/bivonotinada-jigip-jevebiru.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6302/5559/files/article_a_an_the_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0434/8667/5109/files/50783931066.pdf
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/17120663053.pdf
- https://cdn.shopify.com/s/files/1/0443/5968/0156/files/53289383686.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/jarevoz.pdf
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/xujaza.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/57723821949.pdf
- https://cdn.shopify.com/s/files/1/0428/3714/7811/files/75077005370.pdf
- https://cdn.shopify.com/s/files/1/0436/4402/7038/files/36102079880.pdf
- https://cdn.shopify.com/s/files/1/0429/4184/1575/files/50180914799.pdf
- https://cdn.shopify.com/s/files/1/0435/1141/4943/files/wosukotagip.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_off00007aa4.bin2a4b5167560e9a0b995e3e8ab5f13c973973b28628dd48b11c7fd2c3fa34ba5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA4 | 5392 bytes |
font_01_sfnt_off00008ce6.bin242ace84bd868f9b3fcfa5bdba041b2f7f8a1d1497b0c547665c22795ae735b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CE6 | 12868 bytes |
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