MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to suspicious domains and are flagged as malicious redirectors. The document body also contains similar URLs, suggesting a link farm or phishing lure. The ML classifier strongly indicates maliciousness. No scripts were extracted, but the primary attack vector appears to be social engineering via malicious links.
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/wb?keyword=cameroon%20hymnal%20book%20pdf
- http://files.savebozeman.org/uploads/1/3/1/4/131408529/80336d.pdf
- http://files.kcpanhel.com/uploads/1/3/2/8/132815961/1055807.pdf
- http://files.hdb-door.com/uploads/1/3/0/9/130969545/zavedaxijebipedibizo.pdf
- http://files.thegirlgut.com/uploads/1/3/2/3/132302987/9775575.pdf
- http://files.bbsimon.com/uploads/1/3/2/6/132682570/tudijimavu.pdf
- http://files.balochitvonline.com/uploads/1/3/0/9/130969306/331447.pdf
- http://files.dtraveladvisors.com/uploads/1/3/2/7/132741375/vuzumeroz-madaxovag-nakeku-xonulogibibo.pdf
- http://files.atdesignpartners.com/uploads/1/3/1/3/131381612/divutirazovurik.pdf
- http://files.danerestorativejustice.org/uploads/1/3/1/6/131637239/ea114773d.pdf
- https://talujudi.files.wordpress.com/2020/07/81216798762.pdf
- https://vatudig.files.wordpress.com/2020/07/genizuzojupekefagiguwipu.pdf
- https://lojemaj.files.wordpress.com/2020/06/vuzodunufuvojediz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vawis.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vinufew.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/rixedezememepologavub.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xanixiki.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_off0000607c.bind2b6a0c977fdf44e86ace5f497e7ff6cdd49a35ab3357737f64d1e33c07c6fee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x607C | 5092 bytes |
font_01_sfnt_off00007194.bina2a9e48157a03ff84c3e1242775382ed4f6e087bebc7ef86f487674c531c2b2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7194 | 12336 bytes |
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