MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=badminton+rules+and+regulations+pdf+2017'. Another critical heuristic identifies this as a PDF SEO link farm, with 17 external PDF links. The document body text, though heavily obfuscated, contains a reference to the same malicious URL. This suggests the primary purpose is to redirect users to malicious sites, likely for further exploitation or phishing.
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.ru/pify?keyword=badminton+rules+and+regulations+pdf+2017 In PDF document text
- http://files.pathedcollab.org/uploads/1/3/0/7/130776089/xosolifadiwujep.pdfIn PDF document text
- http://files.abtc2018.com/uploads/1/3/1/3/131398479/ridin.pdfIn PDF document text
- http://files.merrifieldseminar.com/uploads/1/3/2/7/132710655/7749287.pdfIn PDF document text
- http://pefonob.tanoramaofconcord.com/uploads/1/3/1/4/131438079/4722148.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/1/0434/3375/4773/files/edital_prf_2020_em.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/3263/3495/files/cerner_powerchart_training_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9464/7719/files/76317856476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/41841620016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7264/2454/files/zeteluzukiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5895/3369/files/62739488477.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0034/0381/files/nukidilazazerebejutuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/bodenawajodivitiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8535/7463/files/capitalismo_en_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3039/6574/files/69746793656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9502/3013/files/hotstar_apk_free_new_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9547/3822/files/sample_invoice_template_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8959/2473/files/aleksandr_dugin.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000628b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x628B | 5816 bytes |
SHA-256: 3a450cabe4d6f5588e5409aba3140d57d6e56e8369f5c3df5454f7f047a46c55 |
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font_01_sfnt_off0000764d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x764D | 9576 bytes |
SHA-256: d6a963b42cced204e239a9fe65c9e8a3f7b256769df1a39963c7d76e92bc4010 |
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