MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to potentially malicious redirector infrastructure. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a URL leading to ttraff.cc, indicating a likely attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
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=sheet-+fed+offset+lithographic+printing+press
- http://fuvanes.sarahscustomtumblers.com/uploads/1/3/1/4/131452988/vinisugobesabu.pdf
- http://files.bill-tourguide.com/uploads/1/3/2/6/132681836/senivejuvudes.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/51241957903.pdf
- https://cdn.shopify.com/s/files/1/0432/3737/6157/files/nekedupasegij.pdf
- https://cdn.shopify.com/s/files/1/0432/6916/1110/files/94207342556.pdf
- https://cdn.shopify.com/s/files/1/0428/5769/3347/files/guvoxiw.pdf
- https://cdn.shopify.com/s/files/1/0437/3456/5025/files/69664889277.pdf
- https://cdn.shopify.com/s/files/1/0434/4378/1788/files/android_tv_remote_control_pro_apk.pdf
- https://cdn.shopify.com/s/files/1/0437/7473/8586/files/27911245615.pdf
- https://cdn.shopify.com/s/files/1/0429/2768/5798/files/vizezowoxepigus.pdf
- https://cdn.shopify.com/s/files/1/0430/6305/0394/files/actos_de_habla_john_searle.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009565.bin4fd8b06ae7b01397d2c77a3dcba52ff26bcb2ca7af2808bad159501623691b76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9565 | 5340 bytes |
font_01_sfnt_off0000a784.bineb11f13d97cf1f7e67f3d80b72947a013d19b6bb1959710882cd96731f2e1a32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA784 | 9796 bytes |
font_02_sfnt_off0000c905.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC905 | 4324 bytes |
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