MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. Another critical heuristic flags the PDF as a link farm, with 28 external PDF links, suggesting a coordinated effort to distribute malicious content. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves luring users to malicious sites via these 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.com/pify?keyword=tornillo+sin+fin+y+rueda+corona+pdf
- http://files.ryanballonlineportfolio.com/uploads/1/3/1/3/131384145/pibekalupiwibiwifit.pdf
- http://files.hawgflatts.com/uploads/1/3/1/3/131384589/xadiwafilikedareron.pdf
- http://files.rosiealabaster.com/uploads/1/3/2/8/132815054/nonewewe.pdf
- https://cdn.shopify.com/s/files/1/0432/2725/0850/files/41101952469.pdf
- https://cdn.shopify.com/s/files/1/0429/3751/6191/files/gabep.pdf
- https://cdn.shopify.com/s/files/1/0436/8482/3205/files/ruzuwafajun.pdf
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/47255640764.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/86295004536.pdf
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/96887200567.pdf
- https://cdn.shopify.com/s/files/1/0440/6103/2598/files/60493248966.pdf
- https://cdn.shopify.com/s/files/1/0430/4227/5479/files/3704109643.pdf
- https://cdn.shopify.com/s/files/1/0429/5294/9913/files/97927995438.pdf
- https://cdn.shopify.com/s/files/1/0430/4656/8098/files/4998718819.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2695/files/55143908092.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_off00007a9a.bin81b2f2515ae56bd183dda508314856b919847cb000abec6b7e1454d323aadf6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A9A | 5000 bytes |
font_01_sfnt_off00008b9d.binb4ca936d9c0838e01dc22a6dc18f04bbcb51d2b0e3a414081d54d0eb74091ca5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B9D | 9476 bytes |
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