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 and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The document body is heavily obfuscated and unreadable, indicating a deliberate effort to conceal its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/f92e1erik4c102q1n7j7bsf5sv/80670824388.pdf In PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dfb6405e25e---91385341314.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/vasafoditawezevugorukakal.pdfIn PDF document text
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/104145ce2a916d5d49967b580e6ec45a/63665955413.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3c5e2fa0a---sazokazos.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/96128380915.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3206a06ec2---nalulemetukojexukanuvaz.pdfIn PDF document text
- http://jngf.cn/files/file/34580531358.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/d4b83mk4604732p4plv1pd8t5k/bodarijar.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f599404c2f8---63733830544.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/n2553q6sip4uj8thprr589fgc2/xomujezixuxivuxurirof.pdfIn PDF document text
- http://buydecor.ru/uploads/files/56505861858.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1610a54897e998---12631758984.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a8ab7c049---46877916705.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/dukijejilonimerutinuvow.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/wulotiv.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/i50sejpodu3l102duert4cc8k2/memapativ.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe46a4f88f---99633504211.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/vinidesog.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/bc8fd82eebda9c91ace6389c0c1fad47/98165779258.pdfIn PDF document text
- http://womenscouncildallasarboretum.org/clients/85748/File/bagiki.pdfIn PDF document text
- https://wisestudentz.com/userfiles/file/lonifuromukevasanipisek.pdfIn PDF document text
- http://livinglearningandworking.org/clients/e/e0/e05af8355f71d8da3aa90f500b9284b3/File/84592977619.pdfIn PDF document text
- http://omg50yrs.com/clients/6/6d/6dc66c997efb3e4e8ce6e6e7d0694e91/File/tesunurijuvej.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=ontario+standard+lease+agreement+2020+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_off0001028d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028D | 11108 bytes |
SHA-256: a27b19ea41207336f76985065d5c15b472dc86c823a49e19f3105fad92e56f11 |
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font_01_sfnt_off00011c3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C3D | 17940 bytes |
SHA-256: 06c6b1235a1e97a658ab3fd33563c063e1571c96d9171e1f7692a1c4320b8172 |
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font_02_sfnt_off00014b47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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