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 redirectors, indicating a link farm designed to distribute malicious content. The primary URL, 'https://midufefew.ru/award?keyword=present+continuous+active+passive+exercises+pdf', is a strong indicator of a phishing or malware distribution lure. The ML classifier and ClamAV detection further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://midufefew.ru/award?keyword=present+continuous+active+passive+exercises+pdf PDF link annotation
- https://s3.amazonaws.com/kozewuposoridil/bsc_online_registration_form_gujarat_university.pdfIn PDF document text
- https://cdn.sqhk.co/lapefuxolu/VjPXIhQ/monir.pdfIn PDF document text
- https://cdn.sqhk.co/jovowosifo/jsab487/minecraft_basketball_arena_tutorial.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379841/normal_600b3dcc10df7.pdfIn PDF document text
- https://s3.amazonaws.com/satulibaren/in_adams_fall_we_sinned_all_eviri.pdfIn PDF document text
- https://s3.amazonaws.com/fasudikek/guia_de_ejercicios_de_identidades_trigonometricas.pdfIn PDF document text
- http://gebameguw.iblogger.org/90317836942.pdfIn PDF document text
- http://gefaveje.22web.org/ampli_crown_xls_2500.pdfIn PDF document text
- http://jujiwaneko.iblogger.org/hygroma_colli_adalah.pdfIn PDF document text
- https://cdn.sqhk.co/gowamojon/1ijgiKE/37066881524.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373797/normal_6011985ddc8e4.pdfIn PDF document text
- https://s3.amazonaws.com/rafiralexezol/gorurev.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415936/normal_600c3bb36b3b2.pdfIn PDF document text
- https://s3.amazonaws.com/vufuzewasi/an_introduction_to_the_history_of_psychology_hergenhahn_download.pdfIn PDF document text
- http://wapajojakazewi.iblogger.org/36444782050.pdfIn PDF document text
- https://cdn.sqhk.co/samekikogeri/qxgjSHp/83309848915.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://48cc712b-de5e-493e-a198-f8962849e22b.filesusr.com/ugd/d2751c_fd3c48056a5f4654b8c7058eed8dac23.pdf?index=trueIn PDF document text
- http://bijamujijupife.epizy.com/samaxov.pdfIn PDF document text
- http://zomimek.epizy.com/fowuwixol.pdfIn PDF document text
- http://nejetetivapane.epizy.com/31623928192.pdfIn PDF document text
- https://28a90398-13b1-4b58-b54c-ed045a6bddf2.filesusr.com/ugd/7e9e1f_fbf2b8343bbc41f4a1f1afcbed88fbb1.pdf?index=trueIn PDF document text
- https://c216880a-03a2-4774-ab7e-121c93799e8f.filesusr.com/ugd/b5aed9_53413331834b41789fdd2d92021437cd.pdf?index=trueIn PDF document text
- http://tugosujamas.rf.gd/aluta_gyration_music.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e345.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE345 | 5244 bytes |
SHA-256: f6f03cbfbeed1b0bbf12625cff9447ffc3f9571699ab684327e2dfc3ecf94b03 |
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font_01_sfnt_off0000f53a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53A | 11036 bytes |
SHA-256: 7a957d40e2fa371729f12285f06344d1068513522b6b39a991a80f7fdedef8ca |
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font_02_sfnt_off00011ad3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AD3 | 16076 bytes |
SHA-256: e2237bcfba2ad8a8c6238a86fe0fbf220db2b991d1f402b1dc0856d9f6c5f988 |
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