MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a significant number of embedded URLs, many of which are part of a link farm and point to a redirector service. This suggests an attempt to obscure malicious destinations and potentially engage in SEO poisoning or traffic redirection. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=round+up+3
- http://kuzaros.newmantoronto.com/uploads/1/3/1/3/131383775/62dc19580bb.pdf
- http://files.thelellowfoundation.org/uploads/1/3/2/7/132740237/b29854ec5.pdf
- http://files.sfandalusians.com/uploads/1/3/0/8/130874382/lubiranuj.pdf
- http://files.kimonodesigns.com/uploads/1/3/0/8/130815303/9182365.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/89019603992.pdf
- https://cdn.shopify.com/s/files/1/0430/8218/6905/files/the_adventures_of_huckleberry_finn_mark_twain_download.pdf
- https://cdn.shopify.com/s/files/1/0435/6957/8147/files/32000385348.pdf
- https://cdn.shopify.com/s/files/1/0464/5352/2600/files/gixunenoto.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/55805695455.pdf
- https://cdn.shopify.com/s/files/1/0454/6861/4808/files/indore_master_plan_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1720/6949/files/41868497266.pdf
- https://cdn.shopify.com/s/files/1/0430/5358/0441/files/24896390073.pdf
- https://cdn.shopify.com/s/files/1/0433/7342/8890/files/witcher_3_swamp_thing.pdf
- https://cdn.shopify.com/s/files/1/0433/4452/7511/files/kafogawegidusebolumoxav.pdf
- https://cdn.shopify.com/s/files/1/0435/7400/1825/files/salenadagiwareli.pdf
- https://cdn.shopify.com/s/files/1/0427/8226/1415/files/20386210444.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_off00004662.bin83b6e7b2df016924348782a2d5f5f07e8b2b6f7959836d3ed4486f614dbbc1f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4662 | 4608 bytes |
font_01_sfnt_off0000562e.bin976e2eecf506c5e72e7ce1357ffa58b4f562ede45fc54d4db1d1e85031116e5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x562E | 9204 bytes |
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