MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links pointing to other PDF files, a technique often used for SEO poisoning or to distribute malicious content. One of the primary links directs to a known malicious redirector, indicating a malicious intent to lure users to harmful sites. 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.ru/pify?keyword=coping+with+grief+and+loss+pdf
- http://files.destinationdelicious.com/uploads/1/3/0/7/130775106/kizakuvorejaxo.pdf
- http://files.markeedamclean.com/uploads/1/3/1/0/131071167/2139b771c0.pdf
- http://files.acadiaslevents.com/uploads/1/3/1/4/131410545/wivomi.pdf
- http://tapefir.bestofbothworldsnc.com/uploads/1/3/0/8/130874478/vijoga.pdf
- https://cdn.shopify.com/s/files/1/0430/5901/9927/files/91352819518.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4827/files/gakofalojelug.pdf
- https://cdn.shopify.com/s/files/1/0432/4874/6651/files/linked_list_in_c_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/wuxedapiwarejaliko.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/gujarati_balgeet_book.pdf
- https://cdn.shopify.com/s/files/1/0433/1762/4990/files/67416205210.pdf
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/62585588095.pdf
- https://cdn.shopify.com/s/files/1/0435/4405/1864/files/besigunofofake.pdf
- https://cdn.shopify.com/s/files/1/0431/6237/0210/files/zujozetovotez.pdf
- https://cdn.shopify.com/s/files/1/0431/6305/8333/files/54726358439.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_off000063df.bin006e355a4e3890985dd4b8e482129d3a07799862d0db46f412cbdb17c2118825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63DF | 5300 bytes |
font_01_sfnt_off000075ee.bin1a17af70f08e6986933c58464661308a3069a05bcbc6fffeb3bd1efc0d014a08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75EE | 9900 bytes |
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