MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to redirector infrastructure, specifically identified as a malicious redirector and an SEO link farm. The presence of a 'download button' heuristic further suggests a lure to trick users into clicking these malicious links. While no scripts were extracted, the PDF structure and embedded URLs strongly indicate a phishing or malware distribution attempt.
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=home+income+and+expenses+spreadsheet In PDF document text
- http://zuted.bathurst75fc.com.au/uploads/1/3/1/6/131637830/gaminamabineguzi.pdfIn PDF document text
- http://files.bartletthw.com/uploads/1/3/0/9/130969971/pavofewuvakoritemil.pdfIn PDF document text
- http://files.tindelltraining.com/uploads/1/3/1/8/131856232/ralenijati.pdfIn PDF document text
- http://sutejata.michelecolettefrazier.com/uploads/1/3/0/8/130813848/tomazaso_xobibudepi_sodesed.pdfIn PDF document text
- http://files.xinzhangdesign.com/uploads/1/3/0/9/130969461/sidakux.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/1/0447/9696/9121/files/58182333448.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0306/0128/files/7114728120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8366/1461/files/moment_js_format_am_pm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2017/9864/files/98545485741.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/bexuxuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3595/9191/files/52910651088.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4357/8278/files/55600669650.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_off0000ae74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE74 | 2828 bytes |
SHA-256: b7f317aa0f29cd34df008dc84d8f376d2685882a57a4a5cd0d86477d0adf885a |
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font_01_sfnt_off0000b86f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB86F | 5308 bytes |
SHA-256: ff28108319c235869c793c5799dec207abbe87ee1de882cf18e9f86acfbf97df |
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font_02_sfnt_off0000ca49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA49 | 10572 bytes |
SHA-256: 77daa5ae03008ff775bcb07443115e6c6e58a50f941a2759f4748f89fb52e489 |
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font_03_sfnt_off0000eea8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA8 | 16312 bytes |
SHA-256: 531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660 |
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