MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK, which is designed to lead users to a potentially harmful website. The presence of a 'download button' lure further supports the phishing or malware distribution intent. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.
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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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.club/123?keyword=snowballs+lois+ehlert+worksheets In PDF document text
- https://cdn-cms.f-static.net/uploads/4368478/normal_5f89fc9becf5f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381081/normal_5f8d75646c0d8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366308/normal_5f88edb8138ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372723/normal_5f8ababadac27.pdfIn PDF document text
- https://nikoxutaju.weebly.com/uploads/1/3/1/3/131378952/gulizufag.pdfIn PDF document text
- https://sowameneritela.weebly.com/uploads/1/3/0/7/130775755/buwusulikes.pdfIn PDF document text
- https://pepisukuwen.weebly.com/uploads/1/3/1/6/131606293/dulukijijevos_dunuziledibew.pdfIn PDF document text
- https://lixaworone.weebly.com/uploads/1/3/1/8/131871871/8ce505c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390664/normal_5f8fd8570eb1f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383451/normal_5f8d3261e2164.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/henghuili-files/optical_isomerism_notes.pdfIn PDF document text
- https://s3.amazonaws.com/jofunozuzof/5999789075.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/nematodes_in_soil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f91f2ba0-945b-4f20-8fdd-0684d63838c8/wojobakivesoborexulaz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8fd6d6b3-f0a3-4dc4-aacc-76bb2f73d9c7/26579213443.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/52ccfecf-2a43-46df-98ea-9fabf8a071f2/xusoxutik.pdfIn PDF document text
- https://s3.amazonaws.com/subud/big_time_sports_in_american_universities.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/learning_python_o_reilly_6th_edition_download.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_off00007833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7833 | 5172 bytes |
SHA-256: 09bdd60607340a3ecac64d7d3fdb64a128173f1dda860f9348ae6b3fd33e0ff6 |
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font_01_sfnt_off000089cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89CD | 10508 bytes |
SHA-256: bd4851e1f205f3cc92da38075195c5b470b6db9c1444017a2dd8362a120b858c |
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