MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One of the primary links redirects to a known malicious URL, indicating a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
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=ontology+learning+and+population+from+text+pdf
- http://files.dhsupwardbound.com/uploads/1/3/1/4/131438784/34234af2.pdf
- http://files.quinkydinkdonuts.com/uploads/1/3/0/9/130969194/jozop.pdf
- http://files.hchskewaneeshelter.org/uploads/1/3/1/0/131071258/sanijikakuku_sifub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/7818/9205/files/taxegefo.pdf
- https://cdn.shopify.com/s/files/1/0435/7701/6483/files/regarubasujapof.pdf
- https://cdn.shopify.com/s/files/1/0435/6535/1071/files/95866001011.pdf
- https://cdn.shopify.com/s/files/1/0433/0107/7142/files/55217510816.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/91960476686.pdf
- https://cdn.shopify.com/s/files/1/0429/6582/7747/files/kha_zix_guide.pdf
- https://cdn.shopify.com/s/files/1/0430/2487/5674/files/79230640610.pdf
- https://cdn.shopify.com/s/files/1/0435/4041/4615/files/23102169451.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xazome.pdf
- https://cdn.shopify.com/s/files/1/0434/9932/3558/files/muredavopelime.pdf
- https://cdn.shopify.com/s/files/1/0434/3208/3612/files/brew_install_qt4.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_off00007221.binb7d0bc4ed862cc3e719cd848ce1a1fb927646ba89b2435f8acb863ee864a3e1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7221 | 5380 bytes |
font_01_sfnt_off00008469.bin972033325aa693ab812f56a0184393825d6a1319d7673ca0db9219c1cc13a850 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8469 | 10252 bytes |
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