MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to an SEO redirector, specifically `https://ttraff.ru/wb?keyword=college%20comparison%20worksheet%20pdf`, which is flagged as malicious. This indicates a likely phishing or malware distribution attempt, leveraging a seemingly benign document to redirect users to harmful content. The ML classifier also strongly flagged this PDF as malicious.
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/wb?keyword=college%20comparison%20worksheet%20pdf In PDF document text
- http://files.davidthornecri.me/uploads/1/3/0/7/130738806/kopekapokaxize-niketolatini-tugegosaxa-powamesezusifak.pdfIn PDF document text
- http://files.lindsayjanefitness.com/uploads/1/3/1/4/131437322/noxurewogolene-murokizute.pdfIn PDF document text
- http://files.autheatrewing.com/uploads/1/3/1/6/131636758/voduxadorovo_radererep_nonipuzewometed_gotobes.pdfIn PDF document text
- http://files.srtsl.com/uploads/1/3/1/1/131164474/6944004.pdfIn PDF document text
- http://files.whitelakeholidayresort.com/uploads/1/3/0/9/130969428/bizilabesobiwunaki.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/1/0430/7212/7125/files/95655638790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1965/7628/files/lipexokajefakewu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/16535726698.pdfIn PDF document text
- https://gigifovagipe.files.wordpress.com/2020/06/naxozazew.pdfIn PDF document text
- https://gosijanasi.files.wordpress.com/2020/06/73323519905.pdfIn PDF document text
- https://runowabak.files.wordpress.com/2020/06/16115979197.pdfIn PDF document text
- https://fuwedibet.files.wordpress.com/2020/06/21422585216.pdfIn PDF document text
- https://tupazipino.files.wordpress.com/2020/06/53843433427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7514/9719/files/rupita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8225/2442/files/fuzugomujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2075/3823/files/lurozuxiwetisewemofamatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2681/6932/files/ladabugomibomokifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/parunakepanugulevojosep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texigusowemojegovivek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/pafidikowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0643/5232/files/vizudagux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3296/0409/files/lobat.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_off00009614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9614 | 5536 bytes |
SHA-256: 283e4d64ee281f96bde61988f20c5ede4a1e16a6f8f4c519b24301f57a53a538 |
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font_01_sfnt_off0000a8ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA8CE | 10532 bytes |
SHA-256: 5cb4d84a44828f8f44720a127032bf56b03b6bf8824967d2e1b3cc74e524d42a |
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