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 redirectors or link farms, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_LINK_FARM heuristics. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'NFL injury report week 5 updates'. The ML classifier also strongly flagged this PDF as malicious. The primary attack pattern involves directing users to external, potentially harmful websites.
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=nfl+injury+report+week+5+updates
- http://damemawo.bettyvaughan.com/uploads/1/3/0/9/130969352/kedidoxi.pdf
- http://files.applin.glyncor.com/uploads/1/3/1/4/131454521/mezed.pdf
- http://jepotofub.bckaleidoscope.org/uploads/1/3/0/7/130775934/4971f1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/3983/4780/files/namakiwokotawopiwu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75555741983.pdf
- https://cdn.shopify.com/s/files/1/0449/4534/2619/files/wigak.pdf
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/beroromeligukonejukur.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/50326402338.pdf
- https://cdn.shopify.com/s/files/1/0427/3097/9495/files/italic_font_android.pdf
- https://cdn.shopify.com/s/files/1/0431/7102/0964/files/john_deere_sx95_manual.pdf
- https://cdn.shopify.com/s/files/1/0437/0441/8455/files/26213697908.pdf
- https://cdn.shopify.com/s/files/1/0431/7108/6492/files/jirevegutuvezifef.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/91489653134.pdf
- https://cdn.shopify.com/s/files/1/0436/9442/4232/files/malaria_treatment_failure.pdf
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/61600001695.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_off0000621d.bin5695484b6e6b09200675a90c7527dfba8cad769c463077cc45aace7689afe71e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x621D | 5464 bytes |
font_01_sfnt_off000074e5.bina0f9e6961f8cbffe890d370e388533c07c3cfd2e9736750f62d6f840431e2ff2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74E5 | 10760 bytes |
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