MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high probability of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a lure for phishing or malware distribution. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, suggesting the document is designed to leverage SEO for traffic to these compromised hosts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://chcial.ru/uplcv?utm_term=asia+is+the+largest+continent PDF link annotation
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607534bd74d1a---26627237001.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609135294e563---95546233190.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a21b8ed7e---vejekiwakedefolifuxo.pdfIn PDF document text
- https://techson-cctv.com/upload/file/13246498426.pdfIn PDF document text
- https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/rd9dsj6a28emj58p44adje1t12/51475947263.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c6999a3aba8---68309684875.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/mejavag.pdfIn PDF document text
- http://stellamaris.cz/userfiles/95577797244.pdfIn PDF document text
- https://mmszke.hu/files/file/53515681004.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/60614725028.pdfIn PDF document text
- https://marljivo.hr/UserFiles/files/xaxotejiw.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160947c68470df---dotaperulipikumud.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/78445376205.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/tecsfm77r0q71hodh5ov987c15/46796002449.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794b6bf215e---bazofujamejitexiralo.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/4fe7b1fc86395334fc405c3835ffd979/legipizafumakerijopowaj.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a1dcbb29fa1---97122648619.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/70679765313.pdfIn PDF document text
- http://seoulsquare.com/userfiles/file/10960623807.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a41674ec5---24985112907.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/st6o7484s9v1teceiv4gjpdl31/tizodopopetepabedo.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160892aeb2cf5e---zenujoxikutavupazi.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/5b4052511bc82131a735e3aeab9813d8/zoviweforojawodowarewev.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607272adc2031---vasidita.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/ec07f7143eeb964af295e3edce6a3a57/nofaxewutugukibovud.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/89653138823.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_off00010075.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10075 | 16636 bytes |
SHA-256: d9280c80a1144f4e26c688941c2587736e30a4d60a39912d10069042c440748f |
|||
font_01_sfnt_off00012b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00014355.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14355 | 10488 bytes |
SHA-256: 7bb65467392fab945598f7b6a5dc19da2baaf9ca8f12c7d3c8f757062ae02ff4 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.