MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.ru/pify?keyword=www.+register-+omron.+com', is flagged as a known malicious redirector. The document body contains obfuscated text and references to the redirector URL, suggesting an attempt to direct users to malicious infrastructure. The presence of numerous Shopify-hosted PDF links likely serves to obscure the malicious redirector and potentially improve search engine ranking for malicious 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.ru/pify?keyword=www.+register-+omron.+com In PDF document text
- http://files.natasha-biggs.co.uk/uploads/1/3/0/7/130739631/7876157.pdfIn PDF document text
- http://files.mashamhistory.com/uploads/1/3/2/6/132695663/somiremubemibezil.pdfIn PDF document text
- http://files.whiteswanenvironmental.org/uploads/1/3/1/4/131454034/kizuvufoduwelunozob.pdfIn PDF document text
- http://files.sugarrushcustomcreations.com/uploads/1/3/0/9/130969820/sozexex.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/1/0438/0708/0610/files/96546509822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5520/9879/files/86862236570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4071/8496/files/nosowetufeluxam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3248/6823/files/macroeconomics_krugman_3rd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8549/6482/files/58209404301.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4367/5560/files/xevegenuvomifowuwuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7967/0689/files/tewexajiboxov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9524/4441/files/65669085103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3929/2577/files/39373089994.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/nulatatexiwotuforawadibu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8213/0332/files/84660730726.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6598/3655/files/vulokomaduliwexojotapade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1085/0979/files/40562377218.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_off00005194.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5194 | 5048 bytes |
SHA-256: 8b31c54404aac9a712a0945e8ba14cf02cb5eada72617aea0410f71b992ebd6a |
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font_01_sfnt_off000062d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D8 | 9872 bytes |
SHA-256: ce5a91f54506c530975deebca4d9b914df22edb23a038ba104e343f09fa837be |
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