MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are part of a link farm designed to obscure the true destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high likelihood of malicious intent, aiming to trick users into downloading further malware. The ML classifier and ClamAV detection strongly support this assessment, flagging the file as malicious and a potential phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://xn--q20b13r9leepaeb.net/upload/file/202109110156449575.pdf In PDF document text
- http://smenergy.kr/uploaded/file/166914169261353f9675ae7.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///femasojasivixasopo.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/45939862153.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/78976335196.pdfIn PDF document text
- http://pradakshinam.com/fck_uploads/file/mapudiloresegavojerukum.pdfIn PDF document text
- https://searchkar.com/ci/userfiles/files/69783034834.pdfIn PDF document text
- http://paraglider24.de/pics/fotos/1/file/88806723759.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161355ba40dddc---kusaduzovajisakuvapo.pdfIn PDF document text
- https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/lepadusijawutokagojavilil.pdfIn PDF document text
- https://livewireeventz.com/userfiles/file/77097891137.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16139057434286---7872104260.pdfIn PDF document text
- https://arendic.cl/files/41574777001.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/63347043828.pdfIn PDF document text
- http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/zutuxiwawekerin.pdfIn PDF document text
- http://samurairamenbar.com/uploads/files/50866009174.pdfIn PDF document text
- https://nacituran.com/userfiles/file/wameronijomeneto.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/vudozapixubusasadogejokez.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/73928775317.pdfIn PDF document text
- http://montagnobozzone.it/userfiles/files/22512789006.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/3617985741.pdfIn PDF document text
- https://luckyfood.itweald.com/uploads/files/613c05af37308.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210904080440.pdfIn PDF document text
- https://cupanghitam.com/contents/files/34455274048.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=xvideoservicethief+apk+free+downloadPDF link annotation
- 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD1F | 10968 bytes |
SHA-256: 452ce9187714a8de6f42dd7fcdf4d4431126a9ed7c9b22a4856deb9440368b71 |
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font_01_sfnt_off0000f691.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF691 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA3 | 21368 bytes |
SHA-256: 52eb3cd9e3139742409dc99d613d2abc3a252594466b9b000bb70ad9c615af99 |
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