MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs pointing to external resources. The primary malicious URL identified is https://ttraff.cc/pify?keyword=tratamento+candidiase+peniana+pdf, which is likely used to redirect users to a malicious site. The document body contains obfuscated text and URLs, further supporting the malicious intent.
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/pify?keyword=tratamento+candidiase+peniana+pdf
- http://files.wormfoodforthough.net/uploads/1/3/0/9/130969243/e9c22e71c4f8.pdf
- http://files.northernfrightsfestival.com/uploads/1/3/1/3/131383791/8235283.pdf
- http://files.gourmetgoodies.us/uploads/1/3/2/7/132712306/nipisofokebe.pdf
- http://files.boyzaudio.com/uploads/1/3/2/7/132740923/pukosofik.pdf
- https://cdn.shopify.com/s/files/1/0432/0316/6370/files/sogawegajimuxenukavufob.pdf
- https://cdn.shopify.com/s/files/1/0430/9401/6157/files/22202612396.pdf
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/86910443526.pdf
- https://cdn.shopify.com/s/files/1/0436/6965/1609/files/what_is_the_best_csgo_gambling_site.pdf
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/sekozuwubepokowemunalu.pdf
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/39823760634.pdf
- https://cdn.shopify.com/s/files/1/0431/6200/9755/files/87507001639.pdf
- https://cdn.shopify.com/s/files/1/0427/9838/3260/files/jipazajofunisinukukibep.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewowa.pdf
- https://cdn.shopify.com/s/files/1/0433/4046/4281/files/vinetapiwefo.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_off00006bcf.bin772dad1cd9ace7e86156f2c4dcbd3cef70b4e109339456db1f6b554f5c9f0dcc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BCF | 5220 bytes |
font_01_sfnt_off00007d75.binfc7b25cf67328e41d0291c3b8463378a3e5d8025d6708ddd829aa29ae10895a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D75 | 10124 bytes |
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