MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though partially corrupted, contains text related to 'Class 10 maths book pdf ncert' and a URL that appears to be part of a SEO link farm strategy. The primary malicious link is https://ttraff.cc/pify?keyword=class+10+maths+book+pdf+ncert, which likely serves as a lure to a malicious site. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=class+10+maths+book+pdf+ncert
- http://files.mcshuki.com/uploads/1/3/2/8/132814155/c85ad26f5ca1a.pdf
- http://files.chimachancreations.com/uploads/1/3/1/8/131871569/lonaxixedokoxam_dadopituzaguli.pdf
- http://files.richardellishair.co.uk/uploads/1/3/2/6/132682737/jaxopaxaduso.pdf
- https://cdn.shopify.com/s/files/1/0433/9580/9431/files/eu4_instant_build.pdf
- https://cdn.shopify.com/s/files/1/0429/9587/5989/files/gupazuvaxuvujalelujopis.pdf
- https://cdn.shopify.com/s/files/1/0431/2009/9488/files/12854117197.pdf
- https://cdn.shopify.com/s/files/1/0435/2062/2756/files/agriculture_in_ancient_egypt.pdf
- https://cdn.shopify.com/s/files/1/0429/9787/4851/files/include_unistd._h.pdf
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/59139648490.pdf
- https://cdn.shopify.com/s/files/1/0430/0711/5423/files/87801487461.pdf
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/videozal._net.pdf
- https://cdn.shopify.com/s/files/1/0435/3818/6394/files/aria_bachianas_brasileiras_no_5.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007999.bin23b67abfb683585ab35c7fb02036a4e857c28f4aff69c75b8aa4feeb0c458325 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7999 | 5696 bytes |
font_01_sfnt_off00008cce.bin4028fb96327bb8869b65ca71e437a403eb0e0387c3d8f11633eaceb7d915a451 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CCE | 10500 bytes |
font_02_sfnt_off0000b0cc.bin4c399bcd699bad01d30cb01580627cbf9c0d24b0a07b348c93c3c0a207ff48c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0CC | 3280 bytes |
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