MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. These links are likely used to obscure the final malicious destination and evade detection, suggesting a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16082453f6b124---xerezeluxaguvomojakepuv.pdf In PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7712f20ab---kizog.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f891804744---21331930812.pdfIn PDF document text
- http://ekolojikweb.net/upld/userfiles/file/16826787544.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/10843377232.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210519181137673586327.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/990f7f3b27feb669d1f025d8e5321fc1/bigabazefejofotajeted.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/de7c235c17fefefd887d5fcae6be648f/kawonipinavesipazaxez.pdfIn PDF document text
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fa4e95bee---82341352190.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160858ae1786ca---51341079597.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609408cc38641---20610592018.pdfIn PDF document text
- http://dancingstarsgreenwich.net/clients/1/10/10f73e4104fe6082999c9b722aa65ba2/File/49288647416.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/efbl8qceqdp7i86291f5lvrnd0/2837658018.pdfIn PDF document text
- http://dienvietbac.com/uploads/files/43266882306.pdfIn PDF document text
- https://avonsteel.com/UserFiles/file/nebipafovuroganebavogup.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bf4697b13---mupekiwazogunigidonixekix.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/pedubidamumugeseriretojux.pdfIn PDF document text
- https://efnnma.org/files/file/mivixomototepabajepisu.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/53629094272.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/vaxipimoxazipoxiber.pdfIn PDF document text
- http://hzbmsj.net/images/upload/File/kefibunikajorenu.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/lakejibiluxanowabujujet.pdfIn PDF document text
- http://sattamatkapatti.com/userfiles/file/lopukerej.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bda1e88e21d---21922649212.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/ijgnflgha8tv5uohldd71c4mcs/lajoxipakizev.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/cgs1q0ghf6taeerc840hrbivu3/30131127130.pdfIn PDF document text
- https://iwnta.com/userfiles/file/43775636229.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=humid+basement+in+summerPDF 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_off0000f842.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF842 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11059 | 10476 bytes |
SHA-256: e83a6a5a32d076174130971fb8b6be87d25fac06362c601defc5ad04061a7a1a |
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font_02_sfnt_off0001280d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1280D | 16576 bytes |
SHA-256: 0c27710f510c73e3764bd8fe5329a1e260a1442fb7ef70856383418cf39657d0 |
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