MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link that redirects to a known malicious domain, disguised as a download for educational material. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the malicious nature of the embedded URL. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 4
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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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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.com/wb?keyword=compiler%20design%20full%20notes%20pdf In PDF document text
- http://files.thesuitcasejunket.com/uploads/1/3/0/9/130969506/2159389.pdfIn PDF document text
- http://files.drawingacrossthelines.org/uploads/1/3/1/3/131398131/9170470.pdfIn PDF document text
- http://files.utile-it.com/uploads/1/3/0/9/130969926/365863.pdfIn PDF document text
- http://files.focusonyou-online.net/uploads/1/3/0/8/130815058/fowilasipuvenomu.pdfIn PDF document text
- http://files.flatironsolar.com/uploads/1/3/0/7/130776253/7693b40fdbf.pdfIn PDF document text
- http://files.joumc.org/uploads/1/3/0/7/130738896/2526387.pdfIn PDF document text
- http://files.rsvpvolunteercaregivers.org/uploads/1/3/2/6/132681824/navate.pdfIn PDF document text
- http://files.bsquarepro.com/uploads/1/3/1/4/131453917/335168.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://seximapakoro.files.wordpress.com/2020/06/nutisefufupi.pdfIn PDF document text
- https://rawerif.files.wordpress.com/2020/06/xuvew.pdfIn PDF document text
- https://wozupag.files.wordpress.com/2020/07/baxesu.pdfIn PDF document text
- https://tilakomo.files.wordpress.com/2020/06/57392031958.pdfIn PDF document text
- https://negoxojes.files.wordpress.com/2020/06/vofapikegizoka.pdfIn PDF document text
- https://judesovevumi520722936.files.wordpress.com/2020/07/99432323783.pdfIn PDF document text
- https://zirazeru.files.wordpress.com/2020/06/velimebewaraf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nejoxalivivurotuzepebibus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/metiliwetizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54101174921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98774508290.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_off00030fca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x30FCA | 5056 bytes |
SHA-256: fcb3083d0dd45b05ff2f24d2fbdfbf8c069737ba693ccf01e2e80c7ae11f5eef |
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font_01_sfnt_off000320e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x320E3 | 16264 bytes |
SHA-256: 68eb57590773c8b2d6dfed7acc8dc88605551e5fd46fe4cc06ccc5aa41e1ed99 |
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font_02_sfnt_off00035460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x35460 | 16112 bytes |
SHA-256: bbb4928b2c5a50c0832ecd6ebb1362cd2d714bbe3e9ddae61164af3ebb87f482 |
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