MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating a link to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM indicates a large number of external PDF links, likely for SEO manipulation or to host further malicious content. The document body contains the primary malicious URL and several benign-looking PDF links, suggesting a lure to a malicious site.
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.link/wix?keyword=dj+bombastic+2017 In PDF document text
- http://files.fcaky.com/uploads/1/3/1/3/131383619/wikigogaseri.pdfIn PDF document text
- http://tefev.westbendpoliceexplorers.org/uploads/1/3/0/7/130739629/72c4311d1975d01.pdfIn PDF document text
- http://files.salemcob.org/uploads/1/3/1/4/131437736/bokofowore.pdfIn PDF document text
- http://kigitag.fultonelementarypta.org/uploads/1/3/2/6/132682646/wisuduvosal.pdfIn PDF document text
- http://ratawopo.marcelwesdorp.nl/uploads/1/3/1/4/131482952/sinujipoxamew_divupuzabike_jivewused.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/5899d5_b016e2aec19b451f8bfeb997cb233680.pdfIn PDF document text
- https://static.usrfiles.com/ugd/516793_74e606007b944fa2aeec1e20f7682de9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/6a44d8_bcfe0d2116184b8d8d5647ddf27acc96.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4d6844_a7fd6271072e4c499573caa59395eb59.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ee6770_6e21d1c57b92431f90dc1119cdd9a015.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cc089a_783b97d1e70e43e19ab6d9b71c4315d4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/cb2bed_37c6ff0349a04b7ca09938e380daaf53.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2625/0901/files/geometric_progression_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/0937/1286/files/medicinal_value_of_vegetables.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_off0000633a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x633A | 5440 bytes |
SHA-256: 82f64d2b88e3c30a26ad25d528c4adccfe16fa352bf20b3c9328c18c5d682f3a |
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font_01_sfnt_off000075b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75B3 | 7772 bytes |
SHA-256: b565028c6d383cdd14af264a05030b87d47e3ceaff1e2273e2a7ae516c7cd388 |
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font_02_sfnt_off00009073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9073 | 10208 bytes |
SHA-256: 8f15c4cf79bf9d2bd446e98587d6731cfa96f5fb69f4cec775f66415c5168a41 |
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font_03_sfnt_off0000b39d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB39D | 17252 bytes |
SHA-256: 4d337d04c88f172ca6f5ca54426671e0c44a5426e3b9806b27546904955aaecd |
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