MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be part of a lure for movie downloads, aiming to trick users into clicking malicious links. The ML classifier strongly indicates maliciousness, and the presence of a redirector URL suggests an attempt to lead the user to a malicious site.
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=chunks+movie+malayalam In PDF document text
- http://jebuwupo.bingsdsm.com/uploads/1/3/1/3/131383791/61896f662d.pdfIn PDF document text
- http://files.johnathonqswanson.com/uploads/1/3/1/6/131607805/6057483.pdfIn PDF document text
- http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
- http://smc.org.inhttp://smc.org.inIn 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/1/0438/1409/2960/files/87208941518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/24900910985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9032/2335/files/davidson_county_nc_arrest_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8220/2782/files/rexawadibun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1468/files/1930857169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2045/7883/files/arduino_nano_driver_ch340.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0571/4338/files/45535465972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5671/7224/files/normas_da_abnt_para_referencias_bibliograficas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3636/0351/files/zademavipisutezabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2036/7510/files/96881613796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/language_arts_worksheet_6th_grade.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
- https://gitlab.com/smc/meera/blob/master/COPYINGIn 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off000063e1.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x63E1 | 6748 bytes |
SHA-256: ad8bea1c450513ba9252c625497ad491994455b3577adc3958f877397eefd247 |
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font_00_sfnt_off00005332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5332 | 4960 bytes |
SHA-256: 4812b0fb2e0eff4b683c87d7431a4aede556520111bb8557a3e7093858421a7a |
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font_02_sfnt_off00007b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B16 | 10272 bytes |
SHA-256: a2932642a37e6057207ca49373360a3d0434c541727ab916564e20726d2bb64f |
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font_03_sfnt_off00009e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E73 | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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