MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which are designed to mimic legitimate document downloads but lead to potentially malicious sites. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure. The document body text, though heavily obfuscated, contains keywords related to the embedded links, suggesting a lure to trick users into clicking through to these sites.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/wb?keyword=logarithmic%20table%20book%20pdf In PDF document text
- http://ropuwa.radoslawrogoza.com/uploads/1/3/2/7/132740214/1650044.pdfIn PDF document text
- http://modonizi.onlinehomemyaccsupport706.com/uploads/1/3/0/7/130775997/eb05bb6.pdfIn PDF document text
- http://files.stbasilbasketball.org/uploads/1/3/1/4/131483249/f9327885d.pdfIn PDF document text
- http://files.johikokjohnwagner.com/uploads/1/3/0/7/130739232/3688484.pdfIn PDF document text
- http://files.pinupprincess.co.uk/uploads/1/3/1/4/131438427/2795189.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7572/3673/files/username_and_passwords_for_minecraft.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6317/2502/files/81583330917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9037/8903/files/57456932313.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1011/3186/files/24309906499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6940/files/66136176393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2214/0070/files/ap_polycet_2020_model_papers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6958/8124/files/22892397609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9862/8501/files/31375287705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5969/2198/files/90440204509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6225/3978/files/69230309630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7511/6959/files/50733835383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/55150116159.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9273/0275/files/aneurisma_disecante_de_la_aorta.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FC | 5536 bytes |
SHA-256: 042663745c2c5249ae671cbed8e67b3d7f8529a33e1ae0de088516b84db86560 |
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font_01_sfnt_off000079a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A1 | 2484 bytes |
SHA-256: 3957183e8ce92d98792d4d932155d0057f4773d25fcb72ecf8e2056c5eb9c99e |
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font_02_sfnt_off00008446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8446 | 14356 bytes |
SHA-256: 2b036994bb17838c7ac8e1288e9913de5b76fada2cf513439dd8a83bf89092c1 |
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