MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation. The document body, though heavily obfuscated, contains a URL that points to a known malicious redirector. This suggests the PDF is designed to trick users into clicking malicious links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=chupke+chupke+2006+movie In PDF document text
- http://jogagumek.skilledpaint.com/uploads/1/3/1/0/131070894/jidebuzizeva.pdfIn PDF document text
- http://files.pecosrifleclub.com/uploads/1/3/1/8/131871614/nobuxe_pogub_pinofen_zajekebana.pdfIn PDF document text
- http://files.wellingtonartgallery.com/uploads/1/3/0/9/130969572/6511158.pdfIn PDF document text
- http://files.artfulscents.com/uploads/1/3/1/4/131407233/2398173.pdfIn PDF document text
- http://files.jlremy.com/uploads/1/3/2/6/132695701/a461c4e.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/1/0427/7128/4135/files/56812368423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9515/4070/files/xepefogamerakewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4853/3144/files/gipirupaxefelogema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1126/7990/files/vagajepobokinevo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3550/9415/files/3782631237.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2520/9256/files/66838522080.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7772/9430/files/naxukoxijolozexax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/1418/5114/files/soroganekoxubeziw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9245/7112/files/golang_cheat_sheet.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off00011151.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11151 | 18996 bytes |
SHA-256: 4b954544489a7f355e937905565c9316e2298b38df9506fc5bad01abad407da6 |
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font_00_sfnt_off0000cf88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF88 | 5116 bytes |
SHA-256: a2852ed6bccfa45ab6d2ca583baa451b9cc0721e77f61069b784efbd67e65df5 |
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font_01_sfnt_off0000e0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0DD | 1640 bytes |
SHA-256: fddfde5e00583d751ee91213db50b4ddefc600f9d3b9d978be0036e231269fb9 |
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font_02_sfnt_off0000e91b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE91B | 11820 bytes |
SHA-256: 943375dbb8b441d40b43ff5adac106edeaa6e2591763296231df7b7e41e13da2 |
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font_04_sfnt_off00012fd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD4 | 4356 bytes |
SHA-256: 99a016b11346ac24669e1c1dcb7e1edbe33a748b2f2df403ae43142d0932eaa9 |
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