MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=cymera+apk+old+version+free'. This URL is presented within the document body, suggesting a social engineering lure to download potentially malicious software. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, likely to improve search engine ranking for the lure. 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.cc/wix?keyword=cymera+apk+old+version+free
- https://static.usrfiles.com/ugd/4d935e_b846f9e84e1140509876385aef863415.pdf
- https://static.usrfiles.com/ugd/b8c837_15b2830db5804f10a4d84a83cd59a3a4.pdf
- https://static.usrfiles.com/ugd/b8c837_1f625cbcf4794ec5883a050d4165a7bc.pdf
- https://cdn.shopify.com/s/files/1/0439/8091/4846/files/vekibezasogukeje.pdf
- https://cdn.shopify.com/s/files/1/0429/8889/6415/files/meteguvigopowonazuvaled.pdf
- https://cdn.shopify.com/s/files/1/0438/4587/7922/files/captive_portal_login_keeps_stopping_android.pdf
- https://cdn.shopify.com/s/files/1/0436/1519/1202/files/fifunumaliwolorilavi.pdf
- https://cdn.shopify.com/s/files/1/0432/1338/9992/files/ielts_answer_sheet_british_council.pdf
- https://cdn.shopify.com/s/files/1/0430/6593/3973/files/37945456492.pdf
- https://cdn.shopify.com/s/files/1/0432/6001/8852/files/vamasaju.pdf
- https://cdn.shopify.com/s/files/1/0464/7446/1352/files/45479200830.pdf
- https://cdn.shopify.com/s/files/1/0432/4828/7904/files/airport_security_management.pdf
- https://static.usrfiles.com/ugd/7e6083_b3229e67b27446928bcf22a8511a758e.pdf
- https://static.usrfiles.com/ugd/c7ef1a_30a5841050454b068e052662235f46d5.pdf
- https://static.usrfiles.com/ugd/aec2ea_6eb955a023cd4f20b96c544c6d2cde0b.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_off00005d71.binc2b9b609997a22d728f4728dc224375d2e202054cfe34e3c084bb2941fb208fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D71 | 5320 bytes |
font_01_sfnt_off00006f7c.binbc80cfb0e29f38b6c604c4b93f49ad1dd186de5839bad6338a09f57f41fcb535 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F7C | 10024 bytes |
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