MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The embedded URLs, many hosted on potentially compromised domains, serve as the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1612387f63cbda---detodufogopejut.pdf In PDF document text
- https://fullprotec.com/ckfinder/userfiles/files/lafif.pdfIn PDF document text
- http://webinside.pl/userfiles/file/42609495497.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/62d8b082d3ea4572e0c25682ceafd34c/xubaxekiwedo.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/121imot5c2kbideob9egovgtu1/72050917351.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c959163d57---18050521450.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4707a7750d---35454239243.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/5547187072.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/jakerurilodaniremadinogur.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7b31c7f81---75914025798.pdfIn PDF document text
- https://palcev.ru/userfiles/file/67361902248.pdfIn PDF document text
- https://pelletier-tp.fr/ckfinder/userfiles/files/3807627908.pdfIn PDF document text
- http://hifimarkt.eu/kunden/kronhardt/ckfinder/userfiles/files/71754969011.pdfIn PDF document text
- http://shipagents.nl/uploadfiles/file/feziriketirezunonagewite.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/65201345626.pdfIn PDF document text
- http://chocoenglish.com/_UploadFile/Images/file/rosivagabozokafuwa.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612657806d92a---11661321200.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/ddd09f8400c5c9001af46dcdd3519e54/wupewunafofode.pdfIn PDF document text
- http://zoltysnieg.pl/pliki_wyswig/files/38401126907.pdfIn PDF document text
- https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/ad0f120104f7591114419299ddf78f86/gufekamu.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609778bb5c565---firemefoweziwu.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609207d575fc2---mokugifinabedulireduril.pdfIn PDF document text
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/jnorg1i3erssobbjr8gfobfbf0/58235122321.pdfIn PDF document text
- http://magooferta.pl/uploads/fck/file/42182566507.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=did+fortnite+remove+skill+based+matchmakingPDF link annotation
- http://irodori.kir.jp/files/file/80316501546.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_off0000e3a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A9 | 17636 bytes |
SHA-256: 722a4a2c2a5a0538abf21fc19ee385a7a6e8f8af223ea38c1fb24c07dbf4a75b |
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font_01_sfnt_off00011147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11147 | 11220 bytes |
SHA-256: af8b96d0cd094719986edd15ff4c7c74c94f4f86a7ac4f452a2dbb697374efa4 |
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font_02_sfnt_off00012b30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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