MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a link farm or phishing attempt. The presence of external URIs and the overall structure suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://codemessaging.net/ckfinder/userfiles/files/33512973950.pdf In PDF document text
- https://eseninternational.com/uploads/files/8887746702.pdfIn PDF document text
- http://myphamasia.net/upload/files/fibuf.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804d7f3914c---67924744526.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ju41iun69fhv3e3k9sui6r26ak/vazozimaliserinomi.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021050202355273499.pdfIn PDF document text
- http://assistance.uz/images/shared/file/gubivad.pdfIn PDF document text
- http://sanders-scottfamily.com/clients/26926/File/xigelumilimazikozopabex.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/gumutomobifomirilewuzup.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/95214531541.pdfIn PDF document text
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607a329074edb---53884806426.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f52f1834fa---madinutem.pdfIn PDF document text
- http://olgapolyakova.com/files/files/96124074600.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9acb60e29---jojeko.pdfIn PDF document text
- http://mosjob.ru/images/file/lutamixivavosu.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/48380564185.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/632d70d0f40c417842688bfe444548fe/wajifewepupe.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609edab3f37c7---71240777747.pdfIn PDF document text
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/383ed751659dc50a030ce940da92d980/89523011757.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/pibaj.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a43184f401---dirarudome.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f7a284b31---jebuzezeporonexavoga.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/lazozanafutikobamifofene.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5e03349cb---javavatikiwix.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c63ee277893d2a9176bda29842d8e89c/navuzugimuraf.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607071a032c91---61547673681.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608883e4d5c37---97854594351.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/40b32e8ee4830810196346a0683c669e/sutulizewamegumidok.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=volume+and+nets+worksheet+for+grade+5PDF 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_off0000e766.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE766 | 16952 bytes |
SHA-256: e292d7d6b5aa4843eb1335da5520e4ffa02db6cb5b1390f20b10d38bbac1781f |
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font_01_sfnt_off000113b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113B7 | 11092 bytes |
SHA-256: 9b762db27c056a70d36c1718c1b3cef0ec760d5e2e09fbce2b89c16bfb1b4c1b |
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font_02_sfnt_off00012d50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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