MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://samtle.net/ckupload/files/zipepalozuvamoxu.pdf In PDF document text
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/a317c623618fbd4846a1a97ae8907fbe/wureni.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16102d6276e2bd---dasadotoz.pdfIn PDF document text
- http://rsport.eu/yonexshop/static/file/mobutiwodewuwitenumitima.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a29273b5630---76031528099.pdfIn PDF document text
- https://aymexco.eu/ckfinder/userfiles/files/74901873706.pdfIn PDF document text
- http://alvit-bk.ru/userfiles/file/numorogikokukejob.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfc88e8880---xitivitusagaporomu.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ffcb108a91eb73dc4729e1fec9fadc2c/95580890469.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/jalowatevolulujagukono.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161181a8340c29---88807748383.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c49abb4419e---44567820568.pdfIn PDF document text
- http://pressvaluation.net/userfiles/file/benewunur.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/52556579974.pdfIn PDF document text
- https://cafepiolho.com/uploads/assets/74942642632.pdfIn PDF document text
- http://brnc85.com/clients/878796/File/3408139545.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6e2713c5e---xulifoxosejinuze.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/dolosop.pdfIn PDF document text
- https://sausalito.com/wysiwygfiles/file/43907616106.pdfIn PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17244938461.pdfIn PDF document text
- http://traviet36.com/upload/files/18094893443.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/bad70e7adc199e2679ff5b5b638f93d7/mepumori.pdfIn PDF document text
- https://vvpta-irvine.org/userfiles/file/82835252868.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ultimate+spider+man+comics+free+download+pdfPDF 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_off0000e9f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10203 | 18488 bytes |
SHA-256: c55457e29fb53ca31e8649ae8d5f05a1e3588c53886f420770354e56dd4857ca |
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font_02_sfnt_off00013257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13257 | 10876 bytes |
SHA-256: b580f131cc2ccb1e2a172361f3d1941c7906c3473f4992e58cc99146d23c7af2 |
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