MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link farm and a redirector to malicious infrastructure, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The embedded link, https://ttraff.ru/wix?keyword=ancient+greece+reading+comprehension+worksheets+pdf, is likely intended to lead the user to a phishing or malware distribution 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.ru/wix?keyword=ancient+greece+reading+comprehension+worksheets+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_60a4a2ed94a74f6480117c7e1dded56e.pdf
- https://static.usrfiles.com/ugd/b8c837_cb82197bba784916a0f786d3ee883c45.pdf
- https://static.usrfiles.com/ugd/b8c837_9151738f30464518a1a30bcad4501425.pdf
- https://static.usrfiles.com/ugd/b8c837_fda10cddaff840628864dae0117e75c7.pdf
- https://static.usrfiles.com/ugd/b8c837_e9f50d2292234b079bdbdb4c590e9213.pdf
- https://cdn.shopify.com/s/files/1/0432/2813/5591/files/esab_pcm_875.pdf
- https://cdn.shopify.com/s/files/1/0446/3457/0915/files/marketing_information_system_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdf
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/ezlandlordforms_rental_application.pdf
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/83487883738.pdf
- https://cdn.shopify.com/s/files/1/0431/3923/5997/files/dialogue_anglais_et_franais.pdf
- https://cdn.shopify.com/s/files/1/0434/2120/4631/files/vexiger.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000054a4.bin58c580077cac320abda7f107691f3d1f24803a489817c44e2d22b835260f779e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54A4 | 5684 bytes |
font_01_sfnt_off000067d3.bin6030105a44fa2256f19717dc577c11aafb39a778e03bbc0c8f07a508fd87e813 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D3 | 9600 bytes |
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