MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm and a specific redirector URL, indicating a lure to malicious infrastructure. The document body, though partially corrupted, contains text related to a calendar and holidays, likely serving as a pretext to disguise the malicious link. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links, including a redirector, supports a malicious intent to lead users to harmful content.
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=calendario+2020+con+dias+festivos+oficiales+mexico+pdf In PDF document text
- http://files.nativitymenlo.org/uploads/1/3/0/8/130874141/zisajivitolakove.pdfIn PDF document text
- http://xifezosaz.deltastream.net/uploads/1/3/1/6/131606227/lefokatobojez.pdfIn PDF document text
- http://files.richardsmithracing.co.uk/uploads/1/3/1/4/131438539/3755670.pdfIn PDF document text
- http://files.alethearoygadbois.com/uploads/1/3/1/4/131452861/159e7ffda24.pdfIn PDF document text
- http://files.e-fitpt.com/uploads/1/3/0/7/130738928/vajiwen.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/9072/2454/files/8396680998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3291/9720/files/55586201377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tobilefoseparavako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/advanced_excel_ebook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0505/0008/files/creon_10000_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3712/9895/files/acoplar_documentos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7950/6847/files/modern_abc_chemistry_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4683/8176/files/34093796286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8910/0957/files/87709341112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/27986383131.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000065be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65BE | 5512 bytes |
SHA-256: 54c19f9e9fd83ae16a57492e17824d8cef4408ff9c07da3f34aff075f13584cf |
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font_01_sfnt_off00007869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7869 | 11312 bytes |
SHA-256: 6556df46acaf62a14687320464a2789397b3460bfdcc7c5bb2113d7b96515a7f |
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font_02_sfnt_off00009d3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D3E | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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