MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains multiple links to a redirector service, which is a common tactic for distributing malicious payloads or phishing pages. The presence of a 'download button' lure and the ML classifier's high confidence score indicate a malicious intent to trick the user into navigating to potentially harmful content. The document body itself is heavily obfuscated but contains the primary redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=craigslist+boise+furniture+by+owner In PDF document text
- http://files.marioamutis.com/uploads/1/3/1/4/131437157/744474d02.pdfIn PDF document text
- http://files.jennifermagid.com/uploads/1/3/0/8/130813141/zifakifo-vilos-vabasuwup-dajasakor.pdfIn PDF document text
- http://files.northlimeorders.net/uploads/1/3/2/7/132740327/503271.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/1/0431/4651/0490/files/47598079335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/46289532277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0916/2907/files/lalovuvaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5310/4790/files/86434716037.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8862/5316/files/pisomimejezobonizifufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/mususetaronosanavulukotaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3939/0872/files/gixaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7344/5792/files/xegarigibabini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3957/1611/files/ribosupasegewawabafose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31670740491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2109/0471/files/mefebopofatunepaforokun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1501/8392/files/59174216464.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000079f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79F0 | 5176 bytes |
SHA-256: ea74c3a7deb83908f875a4304a762c35160823bae56dbef351b1136d5e945a78 |
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font_01_sfnt_off00008ba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BA5 | 2576 bytes |
SHA-256: 5b39e9209f2f5823ace8c91dcdd9d22e48f67d4c3a8bd5da9fa9055417ac3ba4 |
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font_02_sfnt_off00009564.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9564 | 10184 bytes |
SHA-256: 68ec2150961c466b13cf2c28fdb59c8cd80c24bea47a186fd0861673c186fe11 |
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font_03_sfnt_off0000b872.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB872 | 16780 bytes |
SHA-256: 735e795b4d16529a49140ac7f40a22111760e3f1c48d6bea317f9a0d5f86c05c |
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