MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to disposable hosting and known malicious redirector infrastructure. The document body, though heavily obfuscated, appears to be a lure related to academic search terms, likely to trick users into visiting malicious sites. The presence of numerous links and the detection by ClamAV as Pdf.Phishing.Trojan strongly suggest a phishing or malicious redirection campaign.
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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://yafferge.ru/award?keyword=quantum+harmonic+oscillator+derivation+pdf In PDF document text
- http://bewewafip.scienceontheweb.net/duzixabaxalamifemexobenof.pdfIn PDF document text
- https://cdn.sqhk.co/delopomixaba/b7idhcT/download_multirotor_sim_2_mod_apk.pdfIn PDF document text
- https://zajevikafe.weebly.com/uploads/1/3/5/2/135297545/f28c114acb.pdfIn PDF document text
- https://timivoza.weebly.com/uploads/1/3/5/3/135315173/wugugogow.pdfIn PDF document text
- https://zibezalobe.weebly.com/uploads/1/3/4/5/134529300/7503060.pdfIn PDF document text
- http://gufinatulo.iblogger.org/the_three_questions_of_economics_best_help_in_making_decisions_about_brainly.pdfIn PDF document text
- http://zivemigidefis.mypressonline.com/angielski_w_tumaczeniach_gramatyka_2.pdfIn PDF document text
- https://likerediweraj.weebly.com/uploads/1/3/4/6/134691167/vekupinoteb_fojufik_pigunesubuj.pdfIn PDF document text
- http://gamuxiwami.getenjoyment.net/what_to_do_when_nothing_feels_right.pdfIn PDF document text
- https://muxupodijem.weebly.com/uploads/1/3/4/8/134885552/mokebe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://77a48bbd-706a-45f8-a225-ac1cc02029d7.filesusr.com/ugd/3be48b_5d03da404e054689ba7e9f28761e562f.pdf?index=trueIn PDF document text
- https://26577e91-18e8-42c3-8e85-49dcca1d6605.filesusr.com/ugd/195787_daf502381124435e9e1bdb3e62d66849.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/rakabexozu/70269881976.pdfIn PDF document text
- http://fesonukoropirum.rf.gd/anatomie_de_l_appareil_reproducteur_fminin.pdfIn PDF document text
- http://lejarojat.rf.gd/what_is_the_secret_menu_at_chick_fil_a.pdfIn PDF document text
- https://6478d21b-237c-41b5-add8-96d7b9819624.filesusr.com/ugd/c7ef1a_41eff69b3b60437e846a89b224176cb2.pdf?index=trueIn PDF document text
- http://wosolakelufix.epizy.com/29063544098.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/asbabun_nuzul_juz_amma.pdfIn PDF document text
- http://gafodix.myartsonline.com/98313855144.pdfIn PDF document text
- https://s3.amazonaws.com/jasipefulaxiduj/77750470292.pdfIn PDF document text
- http://fetakeseravisu.epizy.com/larson_algebra_2_textbook.pdfIn PDF document text
- https://cd70d4e5-4a1a-4071-96d1-f2415ea5ece1.filesusr.com/ugd/7f46b5_0c48842d618d45aebf0f0cfb69c53f45.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/godoremitiwuja/biddeford_heated_microplush_blanket_reviews.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_off0000f53a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF53A | 5516 bytes |
SHA-256: 3f8e4e102e3eb57da1acffa045515a513bb8f6662940af7bc579f7ac8674a089 |
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font_01_sfnt_off000107d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D2 | 11304 bytes |
SHA-256: 4c9c5e1f273ea4820d5f874b665a709d2e3b8bc868bca7a3ac3e06d9a1ff3d50 |
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font_02_sfnt_off00012dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC7 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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