MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the text 'Libro antigona pdf gratis' and the malicious URL, suggesting a lure for users seeking free content. The presence of a large number of external links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic. 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.ru/pify?keyword=libro+antigona+pdf+gratis
- http://files.fourseasonslodge.com/uploads/1/3/0/9/130969322/nisotefo_berofel_nezururosimuvu_lukaj.pdf
- http://files.laconversationbakery.com/uploads/1/3/1/0/131070378/kijarubedizi.pdf
- http://files.jamillson.com/uploads/1/3/0/9/130969053/9631397.pdf
- https://cdn.shopify.com/s/files/1/0434/0154/3831/files/vmware_workstation_15_pro_license.pdf
- https://cdn.shopify.com/s/files/1/0435/8701/0715/files/bebitogu.pdf
- https://cdn.shopify.com/s/files/1/0432/0840/9250/files/wordpress_change_font.pdf
- https://cdn.shopify.com/s/files/1/0437/2122/8440/files/aircraft_engine_design_jack_d._mattingly.pdf
- https://cdn.shopify.com/s/files/1/0450/9528/8984/files/roger_bastide_o_candombl_da_bahia.pdf
- https://cdn.shopify.com/s/files/1/0432/6604/8165/files/57863927376.pdf
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/75517793685.pdf
- https://cdn.shopify.com/s/files/1/0429/7300/3939/files/megakurid.pdf
- https://cdn.shopify.com/s/files/1/0438/6367/0939/files/exercicios_de_analise_combinatoria_e_probabilidade.pdf
- https://cdn.shopify.com/s/files/1/0432/3000/3357/files/muwojem.pdf
- https://cdn.shopify.com/s/files/1/0428/8741/3923/files/56426550118.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_off000048a9.binee393909ea7f10d89d5c20d783979ba107347599ce50ca6da37373b2789af045 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48A9 | 5260 bytes |
font_01_sfnt_off00005a8e.binedbfdb149277f4d6a6ff4be8433dcd296d8ac4c02c00c3448e80f056749364d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A8E | 10232 bytes |
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