MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it features a large number of external PDF links, suggesting a link farm for SEO manipulation. The presence of a 'download button' lure further supports a malicious intent to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=retirement%20income%20planning%20worksheet%20excel In PDF document text
- http://files.800steps.com/uploads/1/3/1/4/131484395/nevorino-wusefuzi.pdfIn PDF document text
- http://files.twistedoakandco.com/uploads/1/3/1/4/131438843/nuzegabotezuma-sasoj-bijezasogep.pdfIn PDF document text
- http://files.gulfshrimpco.com/uploads/1/3/1/1/131164047/23ffe5fbd5ed.pdfIn PDF document text
- http://files.evawebdesign.com/uploads/1/3/1/4/131483391/6779810.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/1/0431/2052/5476/files/15573816191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4295/5676/files/76479021726.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30740110423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5900/4070/files/zanosafefalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53551688275.pdfIn PDF document text
- https://gufexabesura.files.wordpress.com/2020/07/74620549485.pdfIn PDF document text
- https://suvasebe.files.wordpress.com/2020/06/35316018634.pdfIn PDF document text
- https://fevobomaze.files.wordpress.com/2020/07/tedemijexuwasesapowita.pdfIn PDF document text
- https://bujiwilofife.files.wordpress.com/2020/06/sonafazunogonalirebob.pdfIn PDF document text
- https://zonivip.files.wordpress.com/2020/06/48917920619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/52375605694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0119/2352/files/vefekagisenuvetonilova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9890/6528/files/59147560186.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3227/3319/files/xosufabipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/dumivesawaxuzeduxama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3420/6620/files/60757251947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80170273674.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_off00007404.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7404 | 5368 bytes |
SHA-256: fbae8ba2579ebe6b8fa0e6f54d923088956430c9bd3202652fce3fd9fdc32e9c |
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font_01_sfnt_off0000861f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x861F | 10272 bytes |
SHA-256: 926dab18044619e541f16c013f04ffad8e9690d960062e46e75f976dc3a758c2 |
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