MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating it's a malicious redirector and part of an SEO link farm. It embeds links that lead to a redirector URL, likely to obscure the final malicious destination. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it's designed for malicious redirection.
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.cc/wb?keyword=automatic%20drip%20irrigation%20system%20pdf In PDF document text
- http://files.townofharmony.org/uploads/1/3/1/8/131872015/nudaluvabif_suvokagujelon.pdfIn PDF document text
- http://files.awrightdehernandez.com/uploads/1/3/0/7/130739510/290758.pdfIn PDF document text
- http://files.lhec.org/uploads/1/3/1/3/131381946/5091926.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/1/0430/7877/9047/files/weragi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6942/3269/files/rexufexegegimilerabiviz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nelafujadodejofit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7342/8888/files/gijike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- https://jolagurotot.files.wordpress.com/2020/07/tegusofunenowuvusimow.pdfIn PDF document text
- https://zuterejesami.files.wordpress.com/2020/07/12484678090.pdfIn PDF document text
- https://kuwozosu.files.wordpress.com/2020/07/56361484548.pdfIn PDF document text
- https://saxerigokej.files.wordpress.com/2020/07/49029131018.pdfIn PDF document text
- https://bafupidaruf.files.wordpress.com/2020/07/57758433513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4837/0333/files/87028272971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/potukulonedejabodazop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7118/3777/files/32343147595.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1512/7708/files/fimeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0035/6251/files/xadiragajazere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9805/files/85973459940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2409/7175/files/66577122631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/bidelijeboxofafijebopuzub.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_off000071aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71AA | 5416 bytes |
SHA-256: 0f5a7f87f1fec19927a9f17dc594fa793d1853f128789bc6c42ef135716bb9f8 |
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font_01_sfnt_off00008404.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8404 | 10156 bytes |
SHA-256: 1f1f0f6c8e4ed6e887fdfc86a52c608356fdf7ec3d5977f8a56f37d743b50aa0 |
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