MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating it is a malicious redirector and part of an SEO link farm. The embedded link directs to a known malicious redirector, likely intended to phish for credentials or deliver further malware. The ML classifier strongly supports the malicious verdict.
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=medical%20surgical%20nursing%20smeltzer%2012th%20edition%20pdf In PDF document text
- http://files.anthonypiovesan.com/uploads/1/3/1/3/131379716/kajexilegegok_vigad.pdfIn PDF document text
- http://files.henrycountycancerservices.com/uploads/1/3/0/8/130874599/kedotemutev.pdfIn PDF document text
- http://files.ccw-couchscedarworks.com/uploads/1/3/0/9/130969592/1af54353bfc.pdfIn PDF document text
- http://files.farmsteadproducts.com/uploads/1/3/1/4/131483097/rikukegigije.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/1/0436/7237/1350/files/35404282841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7488/5534/files/zupawopusulomur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3519/7602/files/fiwazuvunivekozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/buvarajejepemimovifid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1287/1576/files/gosodubefurifalowisidixej.pdfIn PDF document text
- https://gubakuv.files.wordpress.com/2020/07/vafagupuxinila.pdfIn PDF document text
- https://mosozedegan.files.wordpress.com/2020/06/51028300220.pdfIn PDF document text
- https://gonokerobe.files.wordpress.com/2020/07/xokorovela.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8544/7833/files/mijoronegukateb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4665/8463/files/77731995067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16216600544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6733015585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/wefesowuwumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2329/3864/files/raduvorulozija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/48266540433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4993/4229/files/64597961671.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_off00005848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5848 | 5688 bytes |
SHA-256: e0fec12b4d3eacfaaee8d3e5f57556699bce1a63afd383a8a9a5471b5963dc55 |
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font_01_sfnt_off00006b7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7E | 9380 bytes |
SHA-256: 9df670b4323698ec0f7366587eaceea21f2bf12131e143483983dbced37ee653 |
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