MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wb?keyword=bones%20of%20the%20cranium%20worksheet'. This indicates the document's primary purpose is to lure the user to a potentially harmful external site. Additionally, a PDF link farm heuristic was triggered, suggesting the document is part of a larger SEO manipulation effort to distribute malicious links. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.
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.cc/wb?keyword=bones%20of%20the%20cranium%20worksheet In PDF document text
- http://files.twistedsugar.shop/uploads/1/3/0/8/130874139/mumujomuwizej.pdfIn PDF document text
- http://files.artgalleryofsnovalley.com/uploads/1/3/1/4/131438362/431192.pdfIn PDF document text
- http://files.amityschuyler.com/uploads/1/3/1/4/131437504/95f970a97d81.pdfIn PDF document text
- http://files.herdiselmend.com/uploads/1/3/1/3/131379991/2de446ac5.pdfIn PDF document text
- http://files.bodyofemotion.com/uploads/1/3/1/3/131378899/de6e671.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/1/0432/0854/0324/files/73105635630.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64541570927.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4416/7064/files/24264470678.pdfIn PDF document text
- https://viximoko.files.wordpress.com/2020/07/barumeji.pdfIn PDF document text
- https://jekiwex.files.wordpress.com/2020/07/vuxovowizikimomaxevo.pdfIn PDF document text
- https://zanixef.files.wordpress.com/2020/07/pubixidivole.pdfIn PDF document text
- https://bebeleg.files.wordpress.com/2020/06/todegoro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7218/3703/files/46412061624.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9019/0248/files/lovisitivoterewokivetovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/32933612100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3028/1377/files/zosakojamawisubazaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9318/1081/files/rinis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5252/3929/files/polelolumof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0183/9775/files/73597724392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nimapudusakodinufuzexive.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_off000107ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EC | 5176 bytes |
SHA-256: 10355db5dfe97ceb260f8ff8ee63f2679c29380bb6306858444fc3a85bce54aa |
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font_01_sfnt_off00011968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11968 | 10368 bytes |
SHA-256: 0a06d0c01eafbb39fde5b434a9b0bfa91ab377c35062753ed18730f0b350d7cd |
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