MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector infrastructure. The document body, though obfuscated, contains the text 'Nice guidelines post traumatic stress disorder' and the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier strongly supports the malicious nature of this PDF.
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=nice+guidelines+post+traumatic+stress+disorder
- http://files.sonorancyclesyuma.com/uploads/1/3/1/3/131380598/83fa54682.pdf
- http://bagemogom.impact7generations.com/uploads/1/3/1/8/131872149/sanimotatitu-vufinagekig-bumen.pdf
- http://romibupi.desertroseplayhouse.net/uploads/1/3/0/8/130874583/acbb6989.pdf
- https://cdn.shopify.com/s/files/1/0433/9322/0758/files/37734453725.pdf
- https://cdn.shopify.com/s/files/1/0428/2921/7958/files/18_chun_li_mugen.pdf
- https://cdn.shopify.com/s/files/1/0435/6096/0159/files/dog_barking_videos_free.pdf
- https://cdn.shopify.com/s/files/1/0430/6989/8914/files/suvesinuxususara.pdf
- https://cdn.shopify.com/s/files/1/0436/7450/1273/files/tiwigedijufasuwabunokexum.pdf
- https://cdn.shopify.com/s/files/1/0431/8078/5823/files/advanced_excel_training_file.pdf
- https://cdn.shopify.com/s/files/1/0429/8817/5513/files/ccleaner_latest_version_free.pdf
- https://cdn.shopify.com/s/files/1/0429/2578/5255/files/26910589941.pdf
- https://cdn.shopify.com/s/files/1/0430/0341/2633/files/bipofipubitewoz.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_off0000a1b9.bin624fb841071889db8fb812fd881e79307bbab516fe9529b89716a86d5eaa8983 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1B9 | 5360 bytes |
font_01_sfnt_off0000b3da.bina16c7be036881c7161fc42c49b74df54e8215489e1ad2161cf4267c2c6ec107c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DA | 10320 bytes |
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