MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous links designed to create a link farm, with a primary redirector pointing to malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=beyond+the+quartic+equation+pdf', which is flagged as a malicious redirector. This suggests the document's purpose is to redirect users to potentially harmful content, likely for phishing or malware distribution.
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=beyond+the+quartic+equation+pdf In PDF document text
- http://files.eastviewhshockey.com/uploads/1/3/0/7/130740123/9913df9157f890e.pdfIn PDF document text
- http://mudal.kaileewallis.com/uploads/1/3/0/8/130813108/vunonijoka.pdfIn PDF document text
- http://files.mikeaguilera.com/uploads/1/3/2/6/132680922/32d6c.pdfIn PDF document text
- http://files.trinitywinchestertn.org/uploads/1/3/0/9/130969385/3882519.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/1/0432/4678/0566/files/23489867889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0120/0289/files/81380469263.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0956/4068/files/degree_works_uga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6424/5922/files/lozetimowisarutu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1324/9946/files/concat_dataframe_pandas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6094/9155/files/alone_partitura_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/lazozekerofadefavasajixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0273/2448/files/iowa_courts_online_payment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7879/4920/files/blood_type_a_negative_diet_food_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9900/5863/files/neumonia_viral_tratamiento.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3840/7845/files/disaster_risk_management_books.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a712.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA712 | 5308 bytes |
SHA-256: f9b9d59cb49ee3b94f6a62945c8f125a081af189493a28bd88b17ef07432c0a6 |
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font_01_sfnt_off0000b91d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91D | 15752 bytes |
SHA-256: 2a55a3c0a9e7ab0a203463ea089a55bdf3d7da7a8deabacce345aa05d42f317b |
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font_02_sfnt_off0000ea31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA31 | 16184 bytes |
SHA-256: f700a1e17cad3aa9751b7d573a027cc47a1234c41c4504e1e89ce8d1bab16a91 |
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