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 URLs, identified as a link farm. One URL, 'https://ttraff.ru/wb?keyword=moral%20dilemma%20worksheet', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains similar URLs, suggesting a coordinated effort to redirect users to potentially harmful 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/wb?keyword=moral%20dilemma%20worksheet In PDF document text
- http://files.quietgovernmentmen.com/uploads/1/3/1/4/131437566/fadapinedex.pdfIn PDF document text
- http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdfIn PDF document text
- http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdfIn PDF document text
- http://files.thesolidrockshop.com/uploads/1/3/0/8/130813797/zaxisufibuxuxigusi.pdfIn PDF document text
- http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.pdfIn PDF document text
- http://files.washington-scottish.com/uploads/1/3/0/8/130874318/8b0f395751b7b3.pdfIn PDF document text
- http://files.dapperdarlingsboutique.com/uploads/1/3/2/7/132710782/mazukareradag.pdfIn PDF document text
- http://files.xphotographymore.com/uploads/1/3/0/7/130739924/fizadoxav.pdfIn PDF document text
- http://files.carlahope.com/uploads/1/3/1/8/131871762/xobakeruruxu_sixukasikirade.pdfIn PDF document text
- http://files.innovationsbuildingservices.com/uploads/1/3/1/4/131438741/3ca2f8128cf.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://widojudi.files.wordpress.com/2020/07/fujavedalorezul.pdfIn PDF document text
- https://kiwuzuk.files.wordpress.com/2020/06/81452182364.pdfIn PDF document text
- https://zonekavaxed.files.wordpress.com/2020/06/21622920957.pdfIn PDF document text
- https://tugefipojux364575537.files.wordpress.com/2020/06/94513354305.pdfIn PDF document text
- https://manulut906331163.files.wordpress.com/2020/06/31132407867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96226605796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72593533024.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_off00004da6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DA6 | 4908 bytes |
SHA-256: a32321321642496d178d05cd7e62ead63263dead9cebab82490f52f6e9c6825b |
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font_01_sfnt_off00005e66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E66 | 9028 bytes |
SHA-256: 1d27ccebb9b7d897feaec98ec1353af4b5c2d05c05b8e89a88bdc5a4a901f378 |
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