MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded URLs pointing to external PDF files hosted on numerous disposable domains, indicating a link farm likely used for SEO manipulation or to distribute malicious content. One URL, 'https://ttraff.com/wb?keyword=stroboscopic%20effect%20and%20methods%20to%20reduce%20pdf', appears to be a redirector. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.com/wb?keyword=stroboscopic%20effect%20and%20methods%20to%20reduce%20pdf In PDF document text
- http://files.goodstuffprimaryresources.com/uploads/1/3/2/6/132681204/lamumolop.pdfIn PDF document text
- http://files.curvychickff.com/uploads/1/3/2/7/132741128/6f0f5.pdfIn PDF document text
- http://files.totalbodybeautiful.us/uploads/1/3/1/3/131378779/fidobatibi_dikizotukid.pdfIn PDF document text
- http://files.limassolsportsmassage.com/uploads/1/3/0/8/130874129/laxuvovobopekidom.pdfIn PDF document text
- http://files.portagewarriorfb.com/uploads/1/3/1/3/131380467/465b2d56b15c5d.pdfIn PDF document text
- http://files.troubadourtheatrecollective.com/uploads/1/3/1/3/131398517/gineregeb_wosoxofij.pdfIn PDF document text
- http://files.randallcb.com/uploads/1/3/1/6/131606335/duseleje.pdfIn PDF document text
- http://files.sportseconomics.org/uploads/1/3/2/3/132302966/8686491.pdfIn PDF document text
- http://files.fustlerthefemalehustler.com/uploads/1/3/0/7/130739839/gaxiwoloxakutenuboj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://gilolarezuj.files.wordpress.com/2020/07/zosakipilegapenopar.pdfIn PDF document text
- https://razekusokil.files.wordpress.com/2020/06/70433080933.pdfIn PDF document text
- https://rutelewimi605110918.files.wordpress.com/2020/06/vemisiwatugijud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72890356131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30106301206.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86662201832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zurutadodusabexefiba.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007b76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B76 | 5488 bytes |
SHA-256: f87e03bb28f6d62a9be43d9713e6b045b2d9824fc8ca2bdc5cfef69c397156c1 |
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font_01_sfnt_off00008dd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DD9 | 10436 bytes |
SHA-256: d56343befbfb34c96d3de831204b760adeda7f2dcc5f263e8b86a42fee5ed73c |
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font_02_sfnt_off0000b1b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B8 | 16112 bytes |
SHA-256: 23e5e0a6ad5360bf10628433507e5aab34c42d7d900ccb2a5214949f2168b422 |
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