MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a redirector to malicious infrastructure. The document body, though heavily corrupted, contains text fragments and URLs that suggest a lure for downloading a PDF, which then redirects to a malicious site. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to a link farm designed for SEO manipulation to distribute malicious content.
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=catena+mundi+pdf+download
- http://files.krystholdavisphotography.com/uploads/1/3/1/0/131069887/lezinifes_sukunoxibeno_wirakebepoxowo.pdf
- http://files.moorereplacements.net/uploads/1/3/0/7/130775260/zibitenugel-fuxinodivukute-tulesuku.pdf
- http://files.minasbeautysupply.com/uploads/1/3/1/4/131436978/solijegewir-fanigokukib-mobubudi-fagaxigo.pdf
- http://files.mjmoore-moose.com/uploads/1/3/1/3/131382346/wawefafugepi_rigefala_jatore.pdf
- http://lurebi.arsalynyouthforums.org/uploads/1/3/2/7/132740978/nobojige-radurujixovuxem.pdf
- https://cdn.shopify.com/s/files/1/0434/3519/6566/files/litubowebozifuwulitimane.pdf
- https://cdn.shopify.com/s/files/1/0428/5349/9046/files/powers_season_1_episode_9.pdf
- https://cdn.shopify.com/s/files/1/0434/5017/1554/files/14203610942.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/lerafem.pdf
- https://cdn.shopify.com/s/files/1/0433/5819/1768/files/72431595939.pdf
- https://cdn.shopify.com/s/files/1/0434/9139/3702/files/annotated_code_of_maryland.pdf
- https://cdn.shopify.com/s/files/1/0436/1030/8765/files/videb.pdf
- https://cdn.shopify.com/s/files/1/0429/7146/3831/files/tezilixufiriv.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19441108854.pdf
- https://cdn.shopify.com/s/files/1/0447/8484/4949/files/lord_of_the_flies_vocabulary.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_off00007bf5.bine7e387c10b1ff845d26eba75c699394932223d5714989e214109ea514c8c8fbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BF5 | 4912 bytes |
font_01_sfnt_off00008caf.bin6b915fb0bd9e1afb085a271d93d20d3dceda9b42d0343861d113e10b72cc2f41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CAF | 16588 bytes |
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