MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document is detected as malicious by ML classifiers and ClamAV, and exhibits characteristics of a link farm designed to host numerous external URLs. The presence of a 'download button' heuristic suggests a lure to download further content. While no scripts were explicitly extracted, the PDF structure and embedded URIs indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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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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://pelibifir.ru/123?utm_term=past+simple+regular+and+irregular+verbs+exercise+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4450719/normal_600e47a829044.pdfIn PDF document text
- http://kenufapozij.22web.org/47845534094.pdfIn PDF document text
- https://cdn.sqhk.co/senepaderu/ICUjehi/47315184883.pdfIn PDF document text
- https://cdn.sqhk.co/luwokiseg/jcCiYll/samsung_galaxy_ringtone_2020_download.pdfIn PDF document text
- http://sibatike.getenjoyment.net/who_plays_the_prime_ministers_wife_in_season_3_of_the_crown.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458839/normal_6034d40fa3710.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462992/normal_60262e3f507d0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460471/normal_5fe4233865faa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4426828/normal_5fca7e7436848.pdfIn PDF document text
- https://cdn.sqhk.co/pitekofotada/jdZFfjd/jazado.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487399/normal_6007c3c72d73e.pdfIn PDF document text
- http://figimumagoko.mygamesonline.org/finders_keepers_movie_jim_carrey.pdfIn PDF document text
- http://theandyhong.com/snes9x_ex_super_mario_world_cheatskegx4.pdfIn PDF document text
- https://cdn.sqhk.co/pujixefan/hj9jcjY/borupibikegomeku.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474736/normal_602fd9811abc4.pdfIn PDF document text
- http://bilet-pdd.site/segment_break-even_calculations_incl6gi1c.pdfIn PDF document text
- http://worabipupe.mypressonline.com/pemokagalebulagezopaj.pdfIn PDF document text
- http://cparta.moscow/wolosuxakutemodenc9n7g.pdfIn PDF document text
- http://alteramaks.world/galajulixifepasatato7q030.pdfIn PDF document text
- https://cdn.sqhk.co/tesinogopano/hPchija/ho_slot_cars_mega_g.pdfIn PDF document text
- http://yourbigdick.space/635733183519rfm6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380392/normal_5fd085bd84749.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gisipusizen.rf.gd/logomilenumexo.pdfIn PDF document text
- http://zuwemanikipe.rf.gd/pawurugepijerex.pdfIn PDF document text
- http://vojuzegi.epizy.com/vafixogorirubebulalofozi.pdfIn PDF document text
- http://nelivizazepafo.epizy.com/20576002434.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_off0000de51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE51 | 5744 bytes |
SHA-256: ffdc01da589a7e1b09606cee57919434eeab4efedf7f00b9834f95bd483f8b10 |
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font_01_sfnt_off0000f1d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1D6 | 10516 bytes |
SHA-256: 2301539ce34b2d435f4763b6ebf00beb25006b66f7a0531fca91061fe23a8147 |
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font_02_sfnt_off000115e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E3 | 16096 bytes |
SHA-256: 61761e6c71fdd980502ce8a3a8cbf9590216241eb9eabe72fdf309a1c23cd3c2 |
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