MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm for SEO manipulation or malicious redirection. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=rubella+disease+pdf', which 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.ru/pify?keyword=rubella+disease+pdf In PDF document text
- http://guxekane.thebigbarmitzvah.com/uploads/1/3/0/7/130776760/jomejixuwuzow.pdfIn PDF document text
- http://jurugewo.sammybeaugard.com/uploads/1/3/1/3/131383483/tolape_gemapu_zazawulapasab_dodotifa.pdfIn PDF document text
- http://fekubogaw.unrestrainedshane.com/uploads/1/3/1/3/131384169/3312213.pdfIn PDF document text
- http://files.arlingtonreformedchurch.org/uploads/1/3/2/6/132696580/valivu.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/1/0437/9394/0629/files/putezeledusizowamosaxal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5959/2859/files/kufufawos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1688/6184/files/31528078839.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/sixuxubaxusonoperare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8993/5002/files/71657231803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5040/0928/files/zeloxasifopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7273/2836/files/63248150075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0745/1042/files/xasizedarewosefosuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3863/8241/files/tanorixax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6455/5680/files/68499751891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30553092986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/61934601788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5157/3657/files/fisekovunovilezuwatetiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9932/4580/files/nilafik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/mijeduwirarebajarabon.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_off0000b1f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F9 | 5084 bytes |
SHA-256: 142e6a1efdb3c38676ced49d1731269495ea88c0db9cacae8a2462a8dca0d6c9 |
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font_01_sfnt_off0000c356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC356 | 10372 bytes |
SHA-256: a0bfd06f3bccfa4fcc785266e4bf97136909467bcf74686d9c1b5fc96f010071 |
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