MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a lure for a free anatomy atlas, but the embedded link redirects to a known malicious redirector. The PDF also features a large number of external links, many hosted on Shopify, suggesting a link farm for SEO manipulation to distribute malicious content. The ML classifier strongly indicated maliciousness.
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/pify?keyword=atlas+anatomie+humaine+pdf+gratuit In PDF document text
- http://noguze.emilylapann.com/uploads/1/3/2/6/132682090/vosix_vudovo.pdfIn PDF document text
- http://files.psbproservices.com/uploads/1/3/2/6/132695531/7dca1e.pdfIn PDF document text
- http://files.intuitivereadings.com/uploads/1/3/0/7/130776054/3152086.pdfIn PDF document text
- http://files.frontrunnerbooks.com/uploads/1/3/2/6/132681880/sebudubopipi.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/1/0431/1236/6229/files/semibufil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/9126354240.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8030/3270/files/nomujesajosubuwerurag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0386/1401/files/18374284877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0729/6163/files/42544781522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5797/1354/files/kosasukujogofuvosot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4721/4486/files/luveditupixazemevila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1327/5811/files/risk_management_principles_and_guidelines_iso_31000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/org._apache._spark._sparkexception_task_not_serializable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8851/9076/files/51938751632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7569/files/13866114848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7069/3284/files/mikod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9181/2767/files/83401456794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8726/files/pajilular.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_off000065a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65A5 | 5444 bytes |
SHA-256: ecc8edcc177e21281dddaad08c186a4064c4d08cbb60203bb92bdd64d3b36e87 |
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font_01_sfnt_off00007801.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7801 | 12020 bytes |
SHA-256: d9797454a80ae30ec2c430d75b951fdd465bfb5d04de7092331e9199495457da |
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font_02_sfnt_off00009e65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E65 | 16168 bytes |
SHA-256: bcfecb9fde4b74e4a2b692e15caf305b2988a1cfe4c6386614002e38d35feb86 |
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