MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a link farm strategy, and 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms redirection to malicious infrastructure. The document body, though heavily obfuscated, contains references to 'dermagist neck cream' and the PDF generation tool 'wkhtmltopdf', suggesting a lure for commercial products to mask the malicious link farm.
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=dermagist+neck+cream In PDF document text
- http://files.thefabriclibraryenniskillenltd.com/uploads/1/3/1/3/131398252/71f20.pdfIn PDF document text
- http://files.footballernowapp.com/uploads/1/3/1/4/131437513/vozawan.pdfIn PDF document text
- http://files.coffeeiniceland.com/uploads/1/3/1/4/131406432/7714873.pdfIn PDF document text
- http://files.philscrap.com/uploads/1/3/2/3/132302941/jusokomakaga-tegilijoparat-mejoraragozezix.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/1/0437/5363/5989/files/toras.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5897/8207/files/fowurofubanigowul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4154/4600/files/2573435506.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9195/1769/files/mawitajibuxisivavize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9270/4408/files/webuzigasagekamefipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4444/6118/files/7865781664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6359/1590/files/kiruwelikabevomut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0827/0244/files/70062322157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6735/9900/files/lavotulixotetezijedatokif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4826/4089/files/ninulawosijodevafu.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_off00005e39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E39 | 4828 bytes |
SHA-256: e86b7de91a680ec709bf5d23c07e3eb2d9df58f8ef1f0fcd132b9a84bbd01de5 |
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font_01_sfnt_off00006e8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E8B | 10688 bytes |
SHA-256: f65f3fa7402881ee229d20aaad025716a9afa24e59f95c4abdfa9575e53506c7 |
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font_02_sfnt_off0000930b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x930B | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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