MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a book title and the malicious URL, suggesting a lure to download content. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent to redirect users.
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=web+application+architecture+principles+protocols+and+practices+3rd+edition+pdf
- http://files.meggiebichard.com/uploads/1/3/1/1/131163540/4243766.pdf
- http://files.virtus.hu/uploads/1/3/1/4/131483318/f3e99454ae.pdf
- http://files.eddiebyun.com/uploads/1/3/1/4/131437216/4879382.pdf
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/buforexunagasojur.pdf
- https://cdn.shopify.com/s/files/1/0438/6675/1131/files/39156898628.pdf
- https://cdn.shopify.com/s/files/1/0435/5883/0231/files/19052376994.pdf
- https://cdn.shopify.com/s/files/1/0437/6500/6494/files/sezopaxawamuxi.pdf
- https://cdn.shopify.com/s/files/1/0430/7045/5965/files/tepituzevofademuladi.pdf
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/jesaxifumojinuvufolila.pdf
- https://cdn.shopify.com/s/files/1/0428/9275/5111/files/porikofoselofa.pdf
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/wuritetezup.pdf
- https://cdn.shopify.com/s/files/1/0429/6402/5493/files/rawutazefenubeb.pdf
- https://cdn.shopify.com/s/files/1/0434/2648/0295/files/69420646827.pdf
- https://cdn.shopify.com/s/files/1/0434/6360/6437/files/wenoset.pdf
- https://cdn.shopify.com/s/files/1/0430/9699/8048/files/28938277212.pdf
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/juzix.pdf
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/jvc_everio_manual.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_off000071d6.binced342e0c8d35db5c996fec8c8f24c2109bef47e2f31208c35717aa6c7b6c1dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D6 | 5560 bytes |
font_01_sfnt_off000084c0.bincb3f350e7b09e1cca17bb0197e20c5e7de9d059caa74ef02c8aa63c0e5ddf844 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84C0 | 10324 bytes |
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