MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a redirector service, which is a common tactic for distributing malware or phishing pages. The document body and embedded links suggest a lure for free PDF downloads, likely to trick users into visiting malicious sites. The ML classifier strongly indicates malicious intent.
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=ca+ipcc+gst+book+pdf+free
- http://files.bingludu.com/uploads/1/3/1/4/131454012/talokeruge-luvopebira-repuporo.pdf
- http://files.waldensamkite.com/uploads/1/3/1/4/131438759/3018119.pdf
- http://files.theessendonhotel.com.au/uploads/1/3/0/9/130969402/1ab850799b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6866/1660/files/vevegesefi.pdf
- https://cdn.shopify.com/s/files/1/0429/8221/1735/files/daletojixorugosonofo.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1256/files/33312660691.pdf
- https://cdn.shopify.com/s/files/1/0433/7218/3703/files/delixalekiporowagixoner.pdf
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/15117220537.pdf
- https://cdn.shopify.com/s/files/1/0427/6820/3942/files/zowojuleli.pdf
- https://cdn.shopify.com/s/files/1/0432/2610/3971/files/katuzunoku.pdf
- https://cdn.shopify.com/s/files/1/0433/0127/3758/files/ashram_shala_sanhita.pdf
- https://cdn.shopify.com/s/files/1/0434/7353/5142/files/45053197931.pdf
- https://cdn.shopify.com/s/files/1/0434/7035/6632/files/26935382617.pdf
- https://cdn.shopify.com/s/files/1/0430/9506/4733/files/32669872734.pdf
- https://cdn.shopify.com/s/files/1/0431/1695/3767/files/jokutezekevesagaranovibub.pdf
- https://cdn.shopify.com/s/files/1/0432/5651/2676/files/handbook_of_alcoholic_beverages.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_off00006062.bin769d6e19ff598bf1a24c232f82818f8797fc0aeb58bcf8d9948ca79fbbdd977b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6062 | 5400 bytes |
font_01_sfnt_off000072c3.binbe6104b379c04eef71860eba1cea2f6d6a482d97fee5f6be437e41ca1944c238 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72C3 | 10420 bytes |
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