MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious by an ML classifier and contains a significant number of embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, and another noted a large external PDF link farm. These findings suggest the document is designed to lure users into clicking malicious links, likely leading to phishing pages or malware downloads.
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=bases%20de%20datos%20relacionales%20y%20no%20relacionales%20pdf In PDF document text
- http://files.sethcarper.com/uploads/1/3/2/6/132695782/3648724.pdfIn PDF document text
- http://files.derbycommunitychurch.com/uploads/1/3/0/8/130874058/nubekuxuxu-fadolamojo-dudaxexokomejez.pdfIn PDF document text
- http://files.syracusehighnoon.com/uploads/1/3/1/8/131856877/gazamewamif.pdfIn PDF document text
- http://files.theworshipcenterbuildingproject.com/uploads/1/3/2/6/132695200/liwomapoxujerag.pdfIn PDF document text
- http://files.volusiaschoolcounselors.org/uploads/1/3/0/7/130775249/ab983a8f0756b.pdfIn PDF document text
- http://files.worldofvirtualfashion.com/uploads/1/3/0/7/130738969/52801776.pdfIn PDF document text
- http://files.paulwrayleeds.com/uploads/1/3/0/7/130738790/6952842.pdfIn PDF document text
- http://files.altitudeluxurytravel.com/uploads/1/3/2/6/132682204/rotejovisoj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://desopipo.files.wordpress.com/2020/06/97296965941.pdfIn PDF document text
- https://rasufid.files.wordpress.com/2020/06/80727985291.pdfIn PDF document text
- https://magelibagub.files.wordpress.com/2020/06/68845930865.pdfIn PDF document text
- https://jogapodu.files.wordpress.com/2020/07/gifavugoliroriloj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0806/4677/files/31193036428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9726/7112/files/sidivevavin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4184/1575/files/fokawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwotowomezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2456/files/68092770960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5483/3557/files/lisopibop.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_off00007cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CBB | 5088 bytes |
SHA-256: 46a95c1f180069964777dcd057e48ce95f8e22f26f42b1e990682f7b25a8ff6c |
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font_01_sfnt_off00008e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E14 | 11260 bytes |
SHA-256: 28ae31aa797d08be9d6fd38af9e96ffa056ee4eebb11e83862b7ac913507da6b |
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