MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One critical heuristic firing indicates a malicious redirector link, specifically `https://ttraff.cc/wb?keyword=macam%20macam%20media%20pertumbuhan%20bakteri%20pdf`, which is designed to lead users to malicious infrastructure. The ML classifier also 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=macam%20macam%20media%20pertumbuhan%20bakteri%20pdf
- http://files.btowneventsnc.com/uploads/1/3/1/1/131163563/4102487.pdf
- http://files.imagezphotostudio.com/uploads/1/3/1/8/131856518/wufoxotatapa-forerid-seludidawopot.pdf
- http://files.saundersvet.com/uploads/1/3/0/7/130739769/e363f310302dd.pdf
- http://files.fitzwilliams.co.uk/uploads/1/3/0/9/130969532/kedokitovi.pdf
- http://files.domaplasma.com/uploads/1/3/1/1/131164534/gifuwubumip.pdf
- http://files.positiveposturenz.com/uploads/1/3/1/4/131483550/sivaf_polatafi_zuwovil.pdf
- http://files.sideshowscarnival.com/uploads/1/3/2/8/132814239/lexuxogapo_wugozopibip.pdf
- http://files.authorrebeccaarogers.com/uploads/1/3/1/6/131637034/wakobobo_jujorufaxeso_puxul.pdf
- https://diwunibe.files.wordpress.com/2020/07/tixereziguwet.pdf
- https://magebabug.files.wordpress.com/2020/07/kefulenaki.pdf
- https://xokapuv.files.wordpress.com/2020/07/87612270046.pdf
- https://jalejovit.files.wordpress.com/2020/06/darulazagipap.pdf
- https://zekofanakem.files.wordpress.com/2020/07/63120313353.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_off00007e40.bin7fe6807736f6cb3fb3670687dc4ec50277d369809259cb25c204ec5da9f2b5be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E40 | 5168 bytes |
font_01_sfnt_off00008f9e.bin9703e50c53b498457f99bf891ac6b2e753206819721ddf1ca549106e4e425f4f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F9E | 12256 bytes |
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