MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. The presence of multiple distinct hosts and the use of UTM parameters in some URLs further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf8f8ae2c5---54909004406.pdf In PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/070159f3bd7a4df9dfdd7be430260c5f/davir.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/omkfuauaon9as27bm4fqn0jop1/27952176976.pdfIn PDF document text
- https://tidurmalam.com/contents//files/rimokati.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/ea237e66b227f7cfd60841dea597a859/nejetagugonapevizofapa.pdfIn PDF document text
- http://maychamsocda.vn/images/userfiles/file/23459791066.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/3dfc6a7e74fdb4409f12f62c814e77d6/64707313433.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/e81791b9db83a0f13656c73c7700dfd2/37184122382.pdfIn PDF document text
- http://prosquash.by/data/22026839352.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/bd5395216f69102085e7dedbbc09cd3d/91142586774.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/f1a929f78130d6d1ef701fa3d483812d/biwubaseta.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077c173a3a88---mumafomoku.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/c0ed60fca6add8319593b4563b725441/41985986490.pdfIn PDF document text
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/67qlsr5nnf44f2lsb4iun4lek4/12806039793.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/bajegipipud.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/86409825160.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be71896fdf4---96883688216.pdfIn PDF document text
- https://europartner2.pl/uploads/67855709009.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758a1803b0d---jixetugomujoboborurodudu.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/0971cf50b4853bde55f9b215e63c9e99/69797298548.pdfIn PDF document text
- https://pima-alarms.net/slicice/file/59944581019.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/p35lr52gbjq4onvecqucrtj6s3/wizajonepogukajuvumo.pdfIn PDF document text
- https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/0d826fed0efba5e51a5f827a77f9da43/nevodemotifedakabafofik.pdfIn PDF document text
- http://teraval.cz/res/file/48636332634.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=dcast+long+to+widePDF 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_off0000b626.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB626 | 10532 bytes |
SHA-256: cb187d89999357e257a0e14508f55714d6997e7e42b41d38ca45c6365c0f6a32 |
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font_01_sfnt_off0000ce25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE25 | 15312 bytes |
SHA-256: f9da259cda482a2362cefe1359b39094ce215bd185dbd0af668f251ce8f776ed |
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font_02_sfnt_off0000f52e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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