MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a high number of embedded links, including one pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' indicates that the link at https://ttraff.ru/pify?keyword=modest+proposal+questions+and+answers is associated with malicious infrastructure. Additionally, the 'PDF_SEO_LINK_FARM' heuristic suggests the document is part of a link farm designed to manipulate search engine results, likely to drive traffic to malicious sites.
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=modest+proposal+questions+and+answers In PDF document text
- http://files.mountainbodyworkers.org/uploads/1/3/1/3/131398322/43e1754c5a001.pdfIn PDF document text
- http://files.sydneywippman.com/uploads/1/3/1/4/131453595/lisin_gazebanirej.pdfIn PDF document text
- http://files.dog-gone-running.com/uploads/1/3/0/8/130874266/6564663.pdfIn PDF document text
- http://files.aforactive.co.uk/uploads/1/3/0/7/130739062/sanajeleli.pdfIn PDF document text
- http://files.colinblumenau.com/uploads/1/3/0/8/130814706/sitarezevafof_bitagurapezez_wudevejakuga.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/1/0433/5117/9416/files/88638319464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/kazeruvip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9236/files/rifup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5011/4967/files/53932769635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5266/1912/files/givejesep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8075/3058/files/940092720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7976/2073/files/zosefapub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4936/9252/files/tafunadamosej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98559129476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2680/files/bukizexazin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2931/4206/files/94476522094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3094/4671/files/gedoxufoxip.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_off00007154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7154 | 5056 bytes |
SHA-256: acf1e1c206e84a6037b6d6a3bcec89aeade4b49b71518f47c38c5b8ad5ce587b |
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font_01_sfnt_off000082a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82A4 | 10412 bytes |
SHA-256: ad04410cda154f305f2bcf50c20d57c48c50f2c74835f6489e0b070348a104fe |
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