MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=aarti+kunj+bihari+ki+song+lyrics+pdf, which is designed to redirect users to further malicious content. The document body, though heavily obfuscated, contains references to the song lyrics and the PDF creation tool, suggesting a lure to disguise the malicious links.
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=aarti+kunj+bihari+ki+song+lyrics+pdf In PDF document text
- http://files.wmchsprojectgraduation.com/uploads/1/3/0/9/130969218/4f79580fee549.pdfIn PDF document text
- http://monig.unismunc.org/uploads/1/3/0/8/130814328/3041464.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5056/files/accounting_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9437/6605/files/zibulumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/71669706194.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8491/4583/files/81247860287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0254/3778/files/zowubeluleliximu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1167/8114/files/53400375954.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/37742645691.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8843/7655/files/suxuxalafup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0316/6369/files/76921199914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1557/7504/files/79915265891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1828/8284/files/foxit_editor_free_download.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000620f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x620F | 5788 bytes |
SHA-256: 0a8a89562606078b831954b4b502dfbb6fe0024c78e7b4b4b2cac9b83b280b1c |
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font_01_sfnt_off000075be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BE | 3772 bytes |
SHA-256: e2c7bb3c6d2fbc6b9680c858ce58af9e5cd0e4fbc18f33bdd2ad1d5654d08a87 |
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font_02_sfnt_off00008161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8161 | 9700 bytes |
SHA-256: c4b9349c90b66f37b9072a5afa1b48c2dd25d3a753cbf72b04ae28728ea65bdb |
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font_03_sfnt_off0000a2da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2DA | 7304 bytes |
SHA-256: 81dc231463801b31930b21033ae4fe5ed4f21db83dd9d2840d8e71d9c9b5df91 |
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