MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Phishing: Spearphishing Attachment
T1204.002 Malicious File: Malicious Link
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting a tactic to manipulate search engine results or distribute malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=enterobacterias+coliformes+y+no+coliformes.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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/pify?keyword=enterobacterias+coliformes+y+no+coliformes In PDF document text
- http://bevoxuwe.abundance-endeavors.com/uploads/1/3/1/3/131381078/8359b966.pdfIn PDF document text
- http://files.coquelicothandmade.com/uploads/1/3/0/9/130968984/55250316736c6.pdfIn PDF document text
- http://files.writeworkstutoring.com/uploads/1/3/0/7/130739831/2180529.pdfIn PDF document text
- http://files.serban.com/uploads/1/3/1/6/131606435/xosofefasiw.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/1/0435/4929/4756/files/durumivakuzazube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7070/8125/files/2006161919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8140/9436/files/72992334049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9739/1261/files/gowiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5663/6828/files/lutakofobiranovowas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2303/1720/files/dark_eldar_5th_edition_codex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/jibumedar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8344/5925/files/paradiso_perduto_john_milton.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3663/8369/files/48507126307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9280/3744/files/31519373572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7922/0891/files/gotovexumanugesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6085/3920/files/a_structured_programming_approach_using_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5850/3590/files/pelogenazeri.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_off00007207.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7207 | 5224 bytes |
SHA-256: 9ffdaf0945d3971eb032f9d44f83c6631a37fb52e6851f8e25e25c28a4b36018 |
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font_01_sfnt_off000083be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83BE | 11156 bytes |
SHA-256: 4e639701e898483378cfbbad0299c75d8a0bb76943ee33538cb3dda43f778127 |
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