MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be part of a phishing lure for a PDF download. The presence of a download button lure and the ML classifier's high confidence score further support the malicious nature of this document.
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.cc/wb?keyword=the%20elegance%20of%20the%20hedgehog%20pdf%20download In PDF document text
- http://files.dariadavidov.com/uploads/1/3/0/8/130814055/xepukifusolu.pdfIn PDF document text
- http://lebagif.honoluluintertribalpowwow.com/uploads/1/3/1/4/131454065/9eed0df.pdfIn PDF document text
- http://files.stephenfrausto.com/uploads/1/3/1/4/131406288/4985403.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/1/0440/5841/1158/files/dumbbell_exercises_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/ratejekobivajij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6709/7756/files/regubaxakajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3254/2369/files/94597570278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8419/3696/files/lifudanaxumonexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9949/6351/files/14174279649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6029/1742/files/acute_myeloid_leukaemia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4796/8149/files/vafusenuzejoxuxojipono.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/6487/9256/files/encyclopedic_dictionary_of_pipeline_integrity.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7221/5448/files/50341232787.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8638/1210/files/jisuge.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62DD | 5184 bytes |
SHA-256: 9b86ef7025c28230c936d554687cfb9377789047ad083e3e9eb6a88c0d04b31a |
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font_01_sfnt_off00007494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7494 | 16808 bytes |
SHA-256: 51bdcf4804a78c506240cfbdcff4bc320142b6936dc218f632f07c7f73d715fb |
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font_02_sfnt_off0000a819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA819 | 16248 bytes |
SHA-256: fbeccb1482ee56052ed809ec6cb7dfbc577d51b9212e43fffabc93e29761b6bf |
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