MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. One of the primary links directs to a known malicious redirector infrastructure, suggesting an attempt to lead the user to a malicious site. 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.cc/pify?keyword=calendario+lunar+2020+pdf+mexico
- http://rokaradat.rol-ministries.com/uploads/1/3/1/6/131636612/jipomikerij.pdf
- http://xuviril.rockinpfarmandfeed.com/uploads/1/3/1/1/131164243/4970556.pdf
- http://files.zoe-farmer.com/uploads/1/3/0/7/130739991/vemuruwu.pdf
- http://files.andreamalinskymason.com/uploads/1/3/2/8/132816195/1805780.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/5201/4491/files/31114091040.pdf
- https://cdn.shopify.com/s/files/1/0433/9564/5589/files/vowolepomanaxitem.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zafon.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdf
- https://cdn.shopify.com/s/files/1/0433/3391/0681/files/introduction_to_management_accounting_horngren.pdf
- https://cdn.shopify.com/s/files/1/0435/0600/8216/files/organic_chemistry_marc_loudon_6th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/3171/4202/files/finilifagumemunepo.pdf
- https://cdn.shopify.com/s/files/1/0430/1645/4305/files/how_to_delete_partition_on_mac.pdf
- https://cdn.shopify.com/s/files/1/0432/6519/6197/files/sudosunozomuz.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/dosep.pdf
- https://cdn.shopify.com/s/files/1/0435/6512/1695/files/wobuleg.pdf
- https://cdn.shopify.com/s/files/1/0435/5581/5583/files/judakurujobexujotizizewu.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_off00005f6e.bin7009d5da9d23847ddb3e490ae3d58c2d6091b656166e408cab6127053e39aa86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6E | 5372 bytes |
font_01_sfnt_off0000719c.bina795af856ffc8c28f580ebe17213370859bea2cf07b8f376282d20affa094296 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x719C | 10592 bytes |
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