MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a download for 'Filezilla server old version'. This link, https://ttraff.com/pify?keyword=filezilla+server++old+version, points to known malicious infrastructure. The document also hosts a large number of other PDF links, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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=filezilla+server++old+version
- http://files.winfielddesigns.net/uploads/1/3/0/9/130969740/zirowojuzef-wavukunitumo-zorizaxadeg.pdf
- http://files.shioyacountryclub.com/uploads/1/3/1/4/131409909/fetitafotawos.pdf
- http://files.smshrvatska.com/uploads/1/3/0/9/130969826/wezakiguwidalebuz.pdf
- http://files.nancicharpentier.com/uploads/1/3/0/7/130775893/59a2281cabf8b.pdf
- http://ruzamuxun.emboldenfestival.com/uploads/1/3/2/6/132681862/9444922.pdf
- https://cdn.shopify.com/s/files/1/0433/5563/5871/files/81226150377.pdf
- https://cdn.shopify.com/s/files/1/0436/9884/7896/files/94758868766.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/gupozowerezutiwotilafod.pdf
- https://cdn.shopify.com/s/files/1/0440/9150/6840/files/susixovobovuwexezik.pdf
- https://cdn.shopify.com/s/files/1/0430/6645/8266/files/71968707825.pdf
- https://cdn.shopify.com/s/files/1/0430/9755/5093/files/3430460552.pdf
- https://cdn.shopify.com/s/files/1/0428/1267/0111/files/luwageg.pdf
- https://cdn.shopify.com/s/files/1/0434/4945/0663/files/60905179850.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_off00005d92.bin548e411c9c1f48f3347d0672683f6c9930ed85a9894779ccb6585f98613f72a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D92 | 4884 bytes |
font_01_sfnt_off00006e41.bindf7dc117d1007d288b38b5727fb463395743294182ba4c4f51033bd1559f898d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E41 | 9516 bytes |
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