MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, disguised as an answer key. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier also flagged the document as malicious. The document body contains the malicious URL, suggesting a social engineering attempt to trick the user into clicking the link.
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.com/pify?keyword=classifying+real+numbers+mystery+pattern+answer+key+pdf
- http://files.duraesenterprise.com/uploads/1/3/1/4/131438231/fukulubinolebow.pdf
- http://files.superdopemin.com/uploads/1/3/2/6/132682070/3c2bac.pdf
- http://files.workscapeartisans.com/uploads/1/3/2/6/132680986/1281410.pdf
- https://cdn.shopify.com/s/files/1/0437/5497/9477/files/kodifutenetozeg.pdf
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/52199744466.pdf
- https://cdn.shopify.com/s/files/1/0430/4211/1641/files/xebowuxitunuzokodaposu.pdf
- https://cdn.shopify.com/s/files/1/0435/2652/0986/files/anterior_pituitary_hormones.pdf
- https://cdn.shopify.com/s/files/1/0431/0623/8613/files/97210337655.pdf
- https://cdn.shopify.com/s/files/1/0428/5018/9478/files/naberelinurivesipu.pdf
- https://cdn.shopify.com/s/files/1/0431/7052/9436/files/xepojidokizuwal.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3464/files/dogebegotidalawixafapar.pdf
- https://cdn.shopify.com/s/files/1/0431/5725/8401/files/19636081853.pdf
- https://cdn.shopify.com/s/files/1/0434/4633/7693/files/58822563347.pdf
- https://cdn.shopify.com/s/files/1/0437/7729/4498/files/78950839475.pdf
- https://cdn.shopify.com/s/files/1/0433/6284/4837/files/add_page_break_in_jspdf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46150969179.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005be8.bina1a822ee61b140e6badcd7ff499fded9071d460ed6e8322c40ab5665807ee0eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BE8 | 5664 bytes |
font_01_sfnt_off00006f2e.bine60c3234c520c682e015b1e95f6c410cbfe9d91f4a5e95eb4a7eb59334726ee2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F2E | 11244 bytes |
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