MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate this PDF is designed as a link farm, likely to distribute malicious content or conduct phishing. The ML classifier strongly supports the malicious nature of this document.
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=math+operation+words+pdf In PDF document text
- http://files.xileart.com/uploads/1/3/0/9/130969751/4279455.pdfIn PDF document text
- http://files.wisconsinlitmap.com/uploads/1/3/1/8/131860204/c41589789.pdfIn PDF document text
- http://files.definitivearts.net/uploads/1/3/0/9/130969405/zibanepuj_xuzepuparit_fewiga.pdfIn PDF document text
- http://files.whereintheworldiscaseykey.com/uploads/1/3/0/7/130738504/seloko-tomag-vajemisejinal.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://lixakukebup.files.wordpress.com/2020/06/jidelubupadesawuxiwo.pdfIn PDF document text
- https://kikujasut.files.wordpress.com/2020/06/2227917303.pdfIn PDF document text
- https://gipetos.files.wordpress.com/2020/06/remibozuwif.pdfIn PDF document text
- https://vigazot.files.wordpress.com/2020/06/82189694552.pdfIn PDF document text
- https://bokanag647162548.files.wordpress.com/2020/06/5017480026.pdfIn PDF document text
- https://fuwewosalija.files.wordpress.com/2020/07/repekan.pdfIn PDF document text
- https://venefivim.files.wordpress.com/2020/07/17738343572.pdfIn PDF document text
- https://zogijag.files.wordpress.com/2020/06/bawivamuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8669/1998/files/74483931013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7913659608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/doragewotupepefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6420/5216/files/21722246526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0185/5646/files/61786943388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3123/2666/files/22755879431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sasexenumufuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4900/0864/files/rijavegesakixufotuvatipab.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_off00006025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6025 | 4984 bytes |
SHA-256: b1d2593526ee4886d7bc496e21a05724282ad297507e176115fc189143822862 |
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font_01_sfnt_off00007122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7122 | 9696 bytes |
SHA-256: d470b185ad238803a4cc85be9225a4a74650abd51e8ea7bce32088ae31b25669 |
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