MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, and one critical link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document is part of a link farm or SEO poisoning scheme designed to redirect users to malicious sites.
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=que+es+etiologia+pdf
- http://files.oeufrier.ca/uploads/1/3/1/4/131437666/fe9d45.pdf
- http://kakare.anakoulouris.com/uploads/1/3/0/7/130776177/2602812.pdf
- http://files.hoxton253.com/uploads/1/3/1/0/131070520/dexejafebo.pdf
- http://files.pronovaprojects.com/uploads/1/3/1/6/131606046/4233633.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/1553/5774/files/sakuzu.pdf
- https://cdn.shopify.com/s/files/1/0434/6124/7129/files/fubaxazarajavesumu.pdf
- https://cdn.shopify.com/s/files/1/0433/5144/1560/files/26903246444.pdf
- https://cdn.shopify.com/s/files/1/0433/4498/6262/files/qick_sand_pyro.pdf
- https://cdn.shopify.com/s/files/1/0434/8503/6706/files/86201611438.pdf
- https://cdn.shopify.com/s/files/1/0432/2865/9880/files/tutut.pdf
- https://cdn.shopify.com/s/files/1/0435/9749/6488/files/xanevejilarisuzujiki.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xutowoterefabobenovise.pdf
- https://cdn.shopify.com/s/files/1/0435/8524/1245/files/40862331452.pdf
- https://cdn.shopify.com/s/files/1/0437/1516/6357/files/dieta_cetogenica_menu_semanal.pdf
- https://cdn.shopify.com/s/files/1/0434/1720/6949/files/wufiwafebigikikib.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texojorigerusoxuduk.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_off00006c2c.bin4edee1654c7c4daef5f23b2e1c58cc6719b08b8dde72fc360c63b77bb135c8a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C2C | 5172 bytes |
font_01_sfnt_off00007ddd.binba51c91785350fae0b8b03445e618563390b1b18bcaba0f1a07eaa6db6cf3d7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DDD | 12164 bytes |
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