MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded URLs, with a critical heuristic firing indicating a malicious redirector link. The ML classifier also strongly flagged this PDF as malicious. The document body appears to be obfuscated or corrupted, but the presence of the redirector URL suggests a phishing or SEO poisoning attack. The primary IOC is the redirector URL, which is likely used to funnel victims to malicious sites.
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=king+single+fitted+sheet+target
- http://gomur.vettoriofficial.com/uploads/1/3/1/3/131398504/sewudunubukapamuz.pdf
- http://files.stemcellwanglab.com/uploads/1/3/0/7/130775633/e1ac54b63b1.pdf
- http://tojiw.mattwheeleronline.com/uploads/1/3/1/6/131636725/2378efc62bc3a.pdf
- https://cdn.shopify.com/s/files/1/0429/3220/7782/files/world_map_countries_and_continents.pdf
- https://cdn.shopify.com/s/files/1/0436/2331/7662/files/25757386029.pdf
- https://cdn.shopify.com/s/files/1/0431/0633/6925/files/wunisutoga.pdf
- https://cdn.shopify.com/s/files/1/0430/6790/0061/files/63813161783.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/mukojajat.pdf
- https://cdn.shopify.com/s/files/1/0431/1128/4893/files/vujozekisotatawigabib.pdf
- https://cdn.shopify.com/s/files/1/0433/9132/0214/files/95331557683.pdf
- https://cdn.shopify.com/s/files/1/0431/6489/3345/files/consumer_and_industrial_buying_behaviour.pdf
- https://cdn.shopify.com/s/files/1/0435/7193/7439/files/edexcel_a_level_maths_textbooks_2020.pdf
- https://cdn.shopify.com/s/files/1/0439/3825/0910/files/line_of_best_fit_matlab.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_off0000505c.bin0040de55ed98e84db2e4532feb9bffc1a9f3fa4188810f76a421106cfa3af2ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x505C | 5140 bytes |
font_01_sfnt_off000061cb.bin2c0316d7af868cf80b77f1b354fc993feb02d342ebabb1b78a144fc33c14d124 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61CB | 9860 bytes |
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