MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a high number of embedded links, with one specifically pointing to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=cbr+test+apparatus+pdf'. The ML classifier also strongly indicated maliciousness. This suggests the document is designed to redirect users to potentially harmful websites, likely for phishing or malware delivery.
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=cbr+test+apparatus+pdf
- http://files.pinkfeatherfoundation.org/uploads/1/3/1/3/131379325/6f5f4ddf8918.pdf
- http://files.memorybengesa.org/uploads/1/3/1/1/131163833/muboraxadage.pdf
- http://files.coolascucumbers.com/uploads/1/3/0/9/130969322/2197d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/4919/5419/files/coefficient_of_thermal_expansion_table.pdf
- https://cdn.shopify.com/s/files/1/0447/4011/6629/files/small_to_word_converter_download.pdf
- https://cdn.shopify.com/s/files/1/0434/8493/8402/files/71248296251.pdf
- https://cdn.shopify.com/s/files/1/0436/9973/2633/files/37612843264.pdf
- https://cdn.shopify.com/s/files/1/0432/9262/2998/files/mimexurozujoziloradeg.pdf
- https://cdn.shopify.com/s/files/1/0430/5181/0969/files/duzatakesis.pdf
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/tulosinizijusejokodijoj.pdf
- https://cdn.shopify.com/s/files/1/0431/8524/2269/files/lujadidesarawevodezegeju.pdf
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/gifibis.pdf
- https://cdn.shopify.com/s/files/1/0430/9352/4637/files/vidugujodejokug.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061e0.bin08235a5e1245b47b124765e57bbae5a3fbec486bc095bed88c06e20b9868c509 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61E0 | 5048 bytes |
font_01_sfnt_off0000730c.bin9e3e24cbb13f535ba8171901e663b9fc5cca0c5d3a4daf992f77cd4b6d3659c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x730C | 9900 bytes |
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