MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, contains text related to 'uu kuhp terbaru pdf' and a URL that matches the malicious redirector. The presence of a link farm heuristic further supports the malicious intent of directing users to external, potentially harmful, sites. 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.cc/wb?keyword=uu%20kuhp%20terbaru%20pdf
- http://files.paulhorsman-author.com/uploads/1/3/0/8/130814065/5532162.pdf
- http://files.threepenny-theatricals.org/uploads/1/3/1/3/131383323/b522c.pdf
- http://files.hederafibers.com/uploads/1/3/1/8/131872273/f39cec726998.pdf
- https://cdn.shopify.com/s/files/1/0429/4321/7830/files/anamnesis_audiologica_infantil.pdf
- https://cdn.shopify.com/s/files/1/0427/8140/9436/files/romodon.pdf
- https://cdn.shopify.com/s/files/1/0432/6191/9390/files/gijapukibevasewojodevo.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/analytical_thinking_techniques.pdf
- https://cdn.shopify.com/s/files/1/0429/1382/4927/files/2000_ford_taurus_owner_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/4274895189.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gaxedisurerikemamezawapux.pdf
- https://cdn.shopify.com/s/files/1/0433/4937/7174/files/is_11587.pdf
- https://cdn.shopify.com/s/files/1/0431/8350/5570/files/morawixidames.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xokuwunojuvilil.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_off000070a2.bin9388d08c47f0d2a4e18759a70efe8bd9339639bfc0f738cdce93640d058b95e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A2 | 5116 bytes |
font_01_sfnt_off000081fb.bin632b9639686d0b002c891dc3426b457c5abb96005a4304fc9d670745d7d3b26e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81FB | 10092 bytes |
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