MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm designed to trick users into downloading further malicious content or visiting compromised 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.cc/pify?keyword=andres+oppenheimer+crear+o+morir+pdf
- http://files.parenttec.net/uploads/1/3/1/0/131070152/5061316.pdf
- http://zepet.mrkonda.com/uploads/1/3/1/3/131380600/lusimoropuwup-xedivof-paxixesowot-gipunolo.pdf
- http://files.reneparagas.com/uploads/1/3/2/7/132740586/jeginujisovej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8352/1445/files/nervio_vago_anatomia.pdf
- https://cdn.shopify.com/s/files/1/0431/9870/9918/files/schroeder_thermal_physics_download.pdf
- https://cdn.shopify.com/s/files/1/0436/9865/1288/files/agenda_mercantil_2020_porrua.pdf
- https://cdn.shopify.com/s/files/1/0441/0828/4056/files/slope_stability_analysis_nptel.pdf
- https://cdn.shopify.com/s/files/1/0433/4531/3941/files/kibusizevo.pdf
- https://cdn.shopify.com/s/files/1/0434/3280/4504/files/71109545296.pdf
- https://cdn.shopify.com/s/files/1/0431/5430/9284/files/4403623929.pdf
- https://cdn.shopify.com/s/files/1/0430/0763/9711/files/55803537426.pdf
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/75776573581.pdf
- https://cdn.shopify.com/s/files/1/0435/1652/6752/files/15093813221.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_off0000530e.bin4df043d13735195b2e425181b0e374bd729b6173fbe54b465bb19cc2372b01c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x530E | 5352 bytes |
font_01_sfnt_off0000651a.bindf52d320fb87e05830be113c515c50764abcd36a9bcc4f9748e56ecef1559f5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x651A | 10340 bytes |
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