MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to SEO-optimized PDF files, suggesting a link farm or redirection scheme. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically identifies an image lure linking to an SEO redirector, likely for free-download phishing. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to a malicious site for further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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External URI info PDF_URIPDF contains an external URL action
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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://druttle.ru/award?keyword=cartesian+product+in+dbms+pdf PDF link annotation
- https://static.s123-cdn-static.com/uploads/4456143/normal_5ffb787f3b5a1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444351/normal_6008f633ef3bb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450243/normal_60349a628f806.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421039/normal_5ffe6e69b9302.pdfIn PDF document text
- https://tupeduwexawagov.weebly.com/uploads/1/3/1/6/131607208/7734588.pdfIn PDF document text
- https://sotezunokupew.weebly.com/uploads/1/3/4/6/134654589/jifufufevokobu.pdfIn PDF document text
- https://mematuseb.weebly.com/uploads/1/3/4/5/134516495/8977728.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376606/normal_6051c4adb242f.pdfIn PDF document text
- https://kilorokininoru.weebly.com/uploads/1/3/4/4/134470368/7884368.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/nitirew/36100322188.pdfIn PDF document text
- http://miwafugupek.epizy.com/janisikitifeni.pdfIn PDF document text
- http://jisazima.epizy.com/sapejemimulivogomalofudif.pdfIn PDF document text
- http://bepuvebawufik.epizy.com/handbook_spatial_statistics.pdfIn PDF document text
- https://s3.amazonaws.com/supefujoxopubu/wonigevikalinapigorotejor.pdfIn PDF document text
- https://s3.amazonaws.com/muwomapotumugi/block_strike_5._0._0_apk.pdfIn PDF document text
- http://pewazeje.rf.gd/flight_world_simulator_apk.pdfIn PDF document text
- https://s3.amazonaws.com/lepefi/cardinal_numbers_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3741a037-14fc-4eaf-b1af-02d7b9f5e858/jaxejakidelino.pdfIn PDF document text
- https://s3.amazonaws.com/pazatuv/board_resolution_format_for_gst_authorised_signatory.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f2db0f4e-2e0b-4f88-a4f9-ed12dca9dd87/belkin_n300_wifi_range_extender_software.pdfIn PDF document text
- https://s3.amazonaws.com/pevuwarobuvowa/duo_therm_brisk_air_shroud.pdfIn PDF document text
- https://s3.amazonaws.com/folexapurilowe/install_apk_time_out_bluestacks.pdfIn PDF document text
- http://bexumasifawej.epizy.com/bavuxezotuxujawitikijo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b20a20d4-9979-4376-ac44-99843ccee25a/what_books_should_i_read_for_computer_science.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 |
|---|---|---|---|
font_00_sfnt_off0000eca3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA3 | 5316 bytes |
SHA-256: e473366651f7a9b3f82c28b63ab65dc42c6e7bef8d00cc7ada9859e63eecaf52 |
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font_01_sfnt_off0000fe56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE56 | 6440 bytes |
SHA-256: e425e98d97092b0d9ccab71289a07d6479bee25119c9591aed4c36980a04d1de |
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font_02_sfnt_off00010e19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E19 | 11512 bytes |
SHA-256: 3ace89f2b84e662d1ec0bbc8dd68def9228a294f8c35b7e97ed8f6092a80e28c |
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font_03_sfnt_off00013594.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13594 | 16188 bytes |
SHA-256: 44df516cdce94ec40879c17d95a34fe37e1dfb9b7d2f4cdcd10510d3a0dcb034 |
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