MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The ML classifier also flagged the document as malicious. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through a large number of seemingly benign URLs. The document body itself appears to be corrupted or obfuscated, but the presence of the malicious URL is a strong indicator of 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.ru/pify?keyword=goldschmidt+2019+abstract+template
- http://sopogiwe.tatjanakusic.net/uploads/1/3/0/7/130739591/vikaxital.pdf
- http://files.thedeclutterbugco.com/uploads/1/3/0/7/130739525/49595ea.pdf
- http://zaruzajuk.agc-educational.com/uploads/1/3/1/3/131383483/6740662.pdf
- http://files.yogaresearchsociety.com/uploads/1/3/0/7/130740255/fegokulin.pdf
- https://cdn.shopify.com/s/files/1/0431/1724/8672/files/lexejifajimejimafofi.pdf
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/xuruwufadisivavolux.pdf
- https://cdn.shopify.com/s/files/1/0436/1791/0946/files/fixivuvavagipefugi.pdf
- https://cdn.shopify.com/s/files/1/0431/2124/6370/files/18674615289.pdf
- https://cdn.shopify.com/s/files/1/0434/2241/7046/files/ukulele_tabs_free.pdf
- https://cdn.shopify.com/s/files/1/0439/0433/6027/files/79267649773.pdf
- https://cdn.shopify.com/s/files/1/0433/8060/5077/files/fisiopatologia_asma_pediatria.pdf
- https://cdn.shopify.com/s/files/1/0429/6772/8279/files/autosar_bsw_makefile_interface.pdf
- https://cdn.shopify.com/s/files/1/0430/2284/4067/files/google_camera_android_version_9.pdf
- https://cdn.shopify.com/s/files/1/0431/4375/7985/files/cambridge_news_guided_bus_accident.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_off0000c876.bin244dcc379c3505d3eb32fe2ba26547a78dc20551410292be9e0f3b61f9dde880 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC876 | 5968 bytes |
font_01_sfnt_off0000dc97.bin648be3b6c0c127cb7c5c69af4073787aba6f6fb5376cd9f51c22e6cb1e563cb6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC97 | 14904 bytes |
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