MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to obscure the ultimate destination. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The presence of a link farm and the detection as a phishing trojan indicate an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc1c2b5e5d5---26662560760.pdf In PDF document text
- http://photo-preiss.com/upload_files/files/powagenite.pdfIn PDF document text
- http://nbc.com.vn/ckfinder/userfiles/files/tasaxiwat.pdfIn PDF document text
- https://crownprolaw.com/userfiles/Proj_Name//files/vopota.pdfIn PDF document text
- http://chipublichouse.com/ckfinder/userfiles/files/kaleninitakemibetowoxamu.pdfIn PDF document text
- https://123natura.com/stockages/files/14963167120.pdfIn PDF document text
- http://studiorinaldibedin.eu/userfiles/files/sixulidamajedexibojulufu.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d9d13445a---luteteb.pdfIn PDF document text
- https://najarshi.com/basefile/najarshicom/files/filuzunu.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/16071846f1e107---56494694167.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ape35chbvngv05kvaugse5m4ln/22177734469.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160caed00e6415---kinamizozezogil.pdfIn PDF document text
- http://transcash.com/ci/userfiles/files/zovadisupokemejujuxarumip.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/doxupimukowopafelopi.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/topulaweradejij.pdfIn PDF document text
- http://vestmorecapital.com/images/epost/1474358451.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/92818637873.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/65906233384.pdfIn PDF document text
- http://uniroll.pl/user_images/file/badavuturosedim.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6bc34f541---6186543535.pdfIn PDF document text
- https://blokhol.com/upload/files/zapaxanalupara.pdfIn PDF document text
- https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/6nhh7g4pmvinqc0f8tcp6acoi2/vamemakubirogexin.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608205c532675---89595804669.pdfIn PDF document text
- https://arket.io/wp-content/plugins/super-forms/uploads/php/files/o58li4dvsikqhcv607jd62hgfu/78248513154.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=cardiopatia+congenita+tratamento+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_off0000dd85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD85 | 10780 bytes |
SHA-256: 9675bad0efe5c02bd02acf9e9ccceb9315968d58affaa6a0520e37b1145a4f66 |
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font_01_sfnt_off0000f622.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF622 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E34 | 21336 bytes |
SHA-256: f483c186f33a7a9d1e1d6ef3c411e56cdc1a332587b8ffad641a439dd536b4a1 |
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