MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm designed to improve search engine rankings. One prominent URL, 'https://ttraff.me/wix?keyword=best+browser+fps+games+no', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other PDF links, suggesting a social engineering lure to drive traffic to malicious infrastructure. The ML classifier strongly flagged this PDF as malicious.
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.me/wix?keyword=best+browser+fps+games+no
- http://dedilejo.stpaullevittown.org/uploads/1/3/2/3/132303354/juxekajebase_xejek_fimogijezum.pdf
- http://files.deesty.fr/uploads/1/3/2/6/132683142/sokezozujawumum.pdf
- https://static.usrfiles.com/ugd/5fd5c1_8532b34f86d64dd381a63d5aedabbafc.pdf
- https://static.usrfiles.com/ugd/ca300b_475fff88d457466cb4079de84d573259.pdf
- https://static.usrfiles.com/ugd/b8c837_d875483a2744488dac7ae11cefa3fc74.pdf
- https://static.usrfiles.com/ugd/2c7c49_36f763bff9b241cc8b564dd84d8a99d0.pdf
- https://static.usrfiles.com/ugd/575363_d956696a72a94deabb22ac07d315fa0a.pdf
- https://cdn.shopify.com/s/files/1/0433/2974/9147/files/beers_criteria_list.pdf
- https://cdn.shopify.com/s/files/1/0435/1829/6232/files/vijajorerogixidipaxib.pdf
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/76113916606.pdf
- https://cdn.shopify.com/s/files/1/0436/7328/8869/files/pumivabinasadodugowe.pdf
- https://cdn.shopify.com/s/files/1/0437/7378/8321/files/new_headway_beginner_3rd_edition_teacher_s_book.pdf
- https://static.usrfiles.com/ugd/e1d58f_64e662461bf44db98d6b90d4cddb5ca5.pdf
- https://static.usrfiles.com/ugd/34e21e_66b4bb0e11184bf083c3ce206c782bc3.pdf
- https://static.usrfiles.com/ugd/fb5067_d219fa5b949f41a08a4810d02719d865.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_off00006530.bin54aa164311e8a69bbd17c014a04b94c0c4ec63a983ed995ee62ea9d5fc29c527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6530 | 5468 bytes |
font_01_sfnt_off000077ce.bin37b3681faaf6efdd220aa90615bd5f5279a2515c4d191820fd4fdf9680cb5b94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77CE | 10120 bytes |
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