MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document that utilizes a link farm hosted on compromised websites, likely to obscure the true destination of the payload. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.thaiboat.net/image/upload/File/10966142293.pdf In PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d06747a7db3---kemijisutox.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/b98d127ba092b21ac9963c32e47c0340/72143061612.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e7025055e91---duniziwarugunomuxododo.pdfIn PDF document text
- http://rajakedua.com/contents//files/nipegedakujumujotav.pdfIn PDF document text
- https://aradovan.com/userfiles/file/kunibamuzopibusanenazito.pdfIn PDF document text
- https://karapinarinsaat.net/userfiles/upload/file/85449495162.pdfIn PDF document text
- https://ladangmimpi.com/contents//files/41225182825.pdfIn PDF document text
- https://hutechsolar.com/upload/user_upload/files/pipatofodutejesusafev.pdfIn PDF document text
- https://cafepiolho.com/uploads/assets/9750354514.pdfIn PDF document text
- http://medob.org/SITE/files/editor/file/mukujon.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/bab5796d0322c619f1749e8d09b40433/nonolewe.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/32615d9957f42cc28673cbb41a03b7ed/96483249821.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e38b06b0f2f---51097050419.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091a734c6151---70335764448.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/110e8c0cbe13d9e8b78b4563b0449ba0/98359967377.pdfIn PDF document text
- http://g-shocktou.com/user_file/file/mukigevuloxusaxofobe.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/dc155sb70u8adcgmbkpqcsg3jh/ruxebinexenobanasovimemo.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/jebarenuwajazimugavorin.pdfIn PDF document text
- https://juegosinflablesarizona.com/files/zevegetarivitizoro.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/73961254766.pdfIn PDF document text
- http://reclamesticker.nl/images/uploads/file/32109386956.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/woraxixatukaxebinazitu.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/02cae3c7a145ac3ef2b8d344d1e56187/69179399593.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7ea3e0509---rosamapiwadiwuker.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mac+os+bootable+usb+big+surPDF 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_off0000ecd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD0 | 17892 bytes |
SHA-256: 5041358bad1b77bd22fb733eb39705df6f8a24878f7e9ed8c37f64ea1c393457 |
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font_01_sfnt_off00011ab2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C9 | 10532 bytes |
SHA-256: 42741344ec8a0b81de70acac9eccaaaf0152fb5ae95550495d414e000579cd6d |
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