MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to improve search engine rankings, with one prominent link leading to a known malicious redirector. The document body, though heavily obfuscated, contains the target URL, suggesting a lure to download further malicious content. The ML classifier strongly indicated maliciousness.
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=cambridge+english+first+for+schools+practice+tests+pdf
- http://files.area51scooterclub.com/uploads/1/3/0/7/130740458/japezarurizojadonozu.pdf
- http://xemikaz.streamatsspp.com/uploads/1/3/1/6/131606260/5526baebce94.pdf
- http://files.bydesignholistichealth.com/uploads/1/3/1/4/131483214/pewivomezu.pdf
- http://files.aafps.com/uploads/1/3/2/8/132814593/ede3183.pdf
- https://cdn.shopify.com/s/files/1/0428/8649/6415/files/michelin_wiper_blades_size_chart.pdf
- https://cdn.shopify.com/s/files/1/0431/9635/0624/files/tujivap.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70282461387.pdf
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/pipijuxoseror.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sekokejeninidifowabofu.pdf
- https://cdn.shopify.com/s/files/1/0431/4919/7472/files/adbwinapi_dll_is_missing.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/mexilawumovorozoxu.pdf
- https://cdn.shopify.com/s/files/1/0433/7234/7550/files/vukivizev.pdf
- https://cdn.shopify.com/s/files/1/0433/2224/5273/files/wordly_wise_3000_book_7_test_booklet.pdf
- https://cdn.shopify.com/s/files/1/0433/2408/0282/files/modad.pdf
- https://cdn.shopify.com/s/files/1/0432/6552/3870/files/comparison_of_adjectives_exercises_advanced_level.pdf
- https://cdn.shopify.com/s/files/1/0431/6869/4432/files/39919149495.pdf
- https://cdn.shopify.com/s/files/1/0431/3071/6326/files/wotesojofuvezekub.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_off0000543d.bin729121e93647985f2902b2652a17571627586ba229d0ba140179f640115edd97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x543D | 5612 bytes |
font_01_sfnt_off00006721.bin56fa853bf19bc9fea8fe4d0a9e83b519c476d34cea5ddcd7b164a0177dc26694 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6721 | 10052 bytes |
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