MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external URIs and link farm heuristics, indicating a strong intent to redirect users to potentially malicious websites. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple compromised CMS upload links and disposable hosting further supports the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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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://coretry.ru/uplcv?utm_term=como+instalar+novo+android PDF link annotation
- http://telegid.tv/userfiles/file/letigalezanalimupitujosa.pdfIn PDF document text
- http://nhactheducthammy.com/upload/files/patugobad.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/butexenubo.pdfIn PDF document text
- http://ydis.kr/userfiles/file/031515556020.pdfIn PDF document text
- https://moderator.lt/components/com_mijoshop/opencart/image/data/files/xafupifalejome.pdfIn PDF document text
- https://tarzminder.com/resimler/files/13176118319.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c59b12903c---tivegi.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/jumoforikara.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/jajoxonivu.pdfIn PDF document text
- http://imobilestore.de/userfiles/file/napuzipejinusokepodomaruj.pdfIn PDF document text
- http://say-international.eu/userfiles/file/81391148058.pdfIn PDF document text
- http://mkbeauty.vn/luutru/files/31356680160.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/vusosedekeretebirasisa.pdfIn PDF document text
- http://polesprogettazioni.com/userfiles/files/41382297674.pdfIn PDF document text
- http://arcadia-fitness.es/userfiles/file/90839523551.pdfIn PDF document text
- http://holland-ex.com/images/blog/file/wakulegokenakajaregupa.pdfIn PDF document text
- http://kccmaul.com/files/files/bezofetijabowi.pdfIn PDF document text
- http://bunny888.com/ckfinder/userfiles/files/53123524026.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name/files/48013629121.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161397b98acf91---bedupegaliteniviripitif.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613998a949289.pdfIn PDF document text
- http://zzquansu.cn/d/files/99748961942.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6d735d02d---labunarejorowoniwifususif.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://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_off0000d206.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD206 | 19412 bytes |
SHA-256: 2055c685814164a7ff7d9d6c49d1514911402352573d7427a2294af1b9e42707 |
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font_01_sfnt_off00010237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10237 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A4E | 10376 bytes |
SHA-256: aadb556a48c6114a3adf0901cc31ab9851d8aac247fde7c888af5e3db22088ce |
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