MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised with a keyword related to IELTS preparation. The document body also contains this URL and numerous other links, many of which point to PDF files hosted on various domains, suggesting a link farm or redirection strategy. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lead users to harmful content.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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/pify?keyword=barron%2527+s+ielts+strategies+and+tips+free In PDF document text
- http://files.packandpostalcenter.com/uploads/1/3/0/9/130968972/felikoniwipowosi.pdfIn PDF document text
- http://files.tang-xun.com/uploads/1/3/1/4/131437306/pogodewerofebub.pdfIn PDF document text
- http://tegagag.mikemono.com/uploads/1/3/1/3/131383982/tuzux.pdfIn PDF document text
- http://sidinaruf.joelsheridan.com/uploads/1/3/2/7/132740249/vikudopinar_rozuragimarota_beluwijidewij_vuzusidekuxa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1008/8342/files/pt_axa_financial_indonesia_annual_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8827/2807/files/agenda_docente_2020_gratis_argentina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4396/1494/files/84053641736.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8360/3873/files/fodiraf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9883/2037/files/36244688246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2230/9781/files/rivelosanilexumiriwubeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3169/1421/files/75516721664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/47277931221.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8362/8708/files/solucionario_estadistica_para_administracion_y_economia_anderson_10_edicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9544/0040/files/instagram_analytics_mod_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0863/7602/files/best_psp_themes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2109/0471/files/konofedivumasatapus.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off00009a57.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x9A57 | 23308 bytes |
SHA-256: 6fb7ed5ed46e07cf5fdce9d7096355e997dfadf40b627bdbed7fc0b1e83304cf |
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font_00_sfnt_off0000648b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x648B | 5292 bytes |
SHA-256: 5b1a0e97b352fb794480a985a92dfedc4cfcb7bddcdf961379010b1cfc4e18b3 |
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font_01_sfnt_off0000769e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x769E | 10612 bytes |
SHA-256: 8813628c42fd76d3b71a828265b109ef24a0de4d5cbd45f7025cedbf7c76f09a |
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