MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF document contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.cc/wix?keyword=worksheets+on+simple+interest+word+p, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other benign-looking PDF links, suggesting a social engineering attempt to drive traffic to the malicious site. The ML classifier also 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/wix?keyword=worksheets+on+simple+interest+word+p
- https://static.usrfiles.com/ugd/111c46_9232f7c4def641f8be423e311a864c3f.pdf
- https://static.usrfiles.com/ugd/e4bc37_cf39d47c23134ad8be8cff6c2d81c50b.pdf
- https://static.usrfiles.com/ugd/5b9a87_4650b1a3cf534802b87e8ffd20ca0da0.pdf
- https://static.usrfiles.com/ugd/b8c837_ffb888ccdff74888b90bfa85a1dd202f.pdf
- https://static.usrfiles.com/ugd/85d67f_793f98b743c14bb8bfd3af627005c768.pdf
- https://static.usrfiles.com/ugd/79e0dc_ecc0c7398bcf4a34bfa1be2c1a1d86c2.pdf
- https://static.usrfiles.com/ugd/b8c837_35f541860a7a4d03b64aaf45e2b94f5f.pdf
- https://static.usrfiles.com/ugd/696b8a_119e671386304fa593c4281a297311c2.pdf
- https://static.usrfiles.com/ugd/34e21e_d1253f7c36db4bc3802b79101850b018.pdf
- https://static.usrfiles.com/ugd/3649d2_7e7e62b559a24ce48d8a6dd3d80ba17e.pdf
- https://cdn.shopify.com/s/files/1/0429/8365/3527/files/97490442856.pdf
- https://cdn.shopify.com/s/files/1/0429/2182/0319/files/89036636168.pdf
- https://cdn.shopify.com/s/files/1/0436/2423/5170/files/72162222892.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_off000062ab.bin0e7afbbaa62102522635641311de623af112c1f4ea98f3d7bac63ee723a8c2f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62AB | 5156 bytes |
font_01_sfnt_off00007422.binb7e69c60a1fbe67845dee0af3a687b033feb950b024b3c9a93ebf194075255ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7422 | 10428 bytes |
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