MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains a URL that aligns with the identified malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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.com/pify?keyword=kathi+mela+kathi+song++masstamilan.+org In PDF document text
- http://files.prorigdept.com/uploads/1/3/1/6/131637881/6523490.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/kiwepigegevoviwekas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6612/1623/files/pvc_foam_sheet_manufacturers_in_china.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3714/2690/files/cell_division_mitosis_and_meiosis_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6464/0159/files/fosazisajiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2390/9532/files/kabikivabosugemijotej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0889/1807/files/tinivarajek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9380/1625/files/45955009008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7160/1817/files/factores_biologicos_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9696/5269/files/45885185404.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0913/0143/files/articles_dfinis_indfinis_partitifs_contracts_exercices_corrigs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/8462/3527/files/habanera_carmen_bizet.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EEB | 5164 bytes |
SHA-256: efa23be824acca3f0284f758a18006352b9936f4efead95d145598daa2e784ba |
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font_01_sfnt_off00009052.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9052 | 4936 bytes |
SHA-256: c512ed0bf5ba20d056eb2a05a70077ee0d6b72f1b411ac1f97c5bdfae6dc391e |
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font_02_sfnt_off0000a12d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA12D | 3004 bytes |
SHA-256: 7e32589233d0f03e126d460e1e035a17c9d3d06c79dd444d1bfe01a96e5fd151 |
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font_03_sfnt_off0000ac9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC9D | 15752 bytes |
SHA-256: f855d6158e8f916bd7c297b857e55ede5ab5e187a93aa334f78670c586761fb3 |
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font_04_sfnt_off0000dd5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD5C | 18776 bytes |
SHA-256: 1df41416ece054d3cca32f135e48dc95f4d9c8a2bff4ba4edba1d14e21aabef6 |
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