MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=eclipse+code+formatter+javascript'. The document body, though heavily obfuscated, also contains this URL and references to other PDF files, suggesting a link farm or redirection scheme designed to lead users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=eclipse+code+formatter+javascript In PDF document text
- http://files.1stpresbyterianiselin.org/uploads/1/3/1/6/131606819/girojogaju.pdfIn PDF document text
- http://files.churchdiva.shop/uploads/1/3/2/7/132712490/wunawukigesesojifar.pdfIn PDF document text
- http://wafolob.bakercreeklavenderfarm.com/uploads/1/3/1/4/131406149/3031312.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/1/0429/0881/1427/files/minecraft_server_with_hamachi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7173/1880/files/42000742796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8573/9685/files/72420028252.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3259/2040/files/fanipuvega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8029/5334/files/31116487370.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/sinusitis_guidelines_2017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1906/7815/files/yeh_hai_aashiqui_song_bestwap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2342/5955/files/sensors_and_actuators_in_automotive_electronics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/nerivepijizupanovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/nugotiketubevowakafetam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8415/9903/files/what_is_nexus_vst.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3828/5725/files/paulo_coelho_aleph_francais.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006c84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C84 | 7504 bytes |
SHA-256: 1bded641b866e6b471d14293cb08e59621d03151e09b62030aae9009bdadb1c5 |
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font_01_sfnt_off000085c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85C5 | 5392 bytes |
SHA-256: 3d8fdb979634c900a4b8ba74e40c42619d7a7e9fdad2f396f44434959f0fe33a |
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font_02_sfnt_off0000980c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x980C | 15388 bytes |
SHA-256: 6ae8ab5bc29eb1f95c8b4ff3f396b5701be78ed147ae5e65d1ffb0663ec1b12b |
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