MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous URLs, many of which point to compromised CMS uploads or disposable hosting, forming a link farm. The presence of external URIs and the overall structure suggest an attempt to lure users to external sites, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://yuanda-boiler.com/d/files/88040553538.pdf In PDF document text
- https://giriconsultancy.com/content_files/files/nemipo.pdfIn PDF document text
- http://fitviewer.de/files/file/kenowijofoninagitari.pdfIn PDF document text
- http://cnex.cc/images/blog//file/57531133998.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a173247e3---65235097543.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/suwinuxi.pdfIn PDF document text
- http://bsp-plovdiv.org/ckfinder/userfiles/files/34960959682.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084d3e3cc7b2---31426489520.pdfIn PDF document text
- http://insuralead.com/userfiles/file/20720298370.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/49292333552.pdfIn PDF document text
- http://microcement.ua/userfiles/file/3631098660.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/0lbbfvfqc7cn08ignc7pvrl4k3/wezewuwubeluzi.pdfIn PDF document text
- http://homeloanz.net/images/e/file/niwagefapusigofurukekox.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/bisanefazipesasumil.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/6797605111.pdfIn PDF document text
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/wufifovonijigudixinef.pdfIn PDF document text
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/rigodadidilibogitewat.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/00e997035d9a647f66ecf73167cb8d9b/9757873498.pdfIn PDF document text
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072085885042---pogelekosepegobaja.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/wokekuvogak.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/69796619175.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/28a245977338263c5275c7849ca08a76/64231923883.pdfIn PDF document text
- https://hatinhjobs.com/upload/files/80932389205.pdfIn PDF document text
- http://toyotacri.com/userfiles/files/vikomevetikabekugoresore.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3af6008a5---82375242926.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=introduction+to+new+testament+studies+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_off00010285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10285 | 18572 bytes |
SHA-256: 91cd61e05ab60208f3198b81df290e784b945f2e2f72b96e2b72e01370407d72 |
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font_01_sfnt_off0001330b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1330B | 10872 bytes |
SHA-256: f20a54d46a85cedd913d17fb83933e781c3e6a63a50eebe99fc9511aa2e63ede |
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font_02_sfnt_off00014c40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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