MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, and it contains embedded JavaScript. The heuristics indicate the PDF acts as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains, which is a common tactic for phishing or malware delivery. The presence of JavaScript suggests an attempt to execute malicious code upon opening the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://litho-and-co.fr/ckeditor/upload/files/12020548595.pdf In PDF document text
- https://www.ijdsir.com/ckfinder/userfiles/files/dutawuliseda.pdfIn PDF document text
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/161323e975954f---81497386975.pdfIn PDF document text
- http://aminotp.com/upload/files/numawatebewexekogo.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/22462854252.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/35920013683.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614c353ee1c1d---9262136931.pdfIn PDF document text
- https://hung168.tw/UserFiles/files/34944149808.pdfIn PDF document text
- https://partroyfuneralhome.com/partroy/assets/file/26576213766.pdfIn PDF document text
- http://nuocmambason.com/upload/fckimagesfile/5eeca92242a9871f7e230ed27d3f53df.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/72128375031.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/161390aae33ad9---puxasiwosedese.pdfIn PDF document text
- https://comobrew.com/newsite/images/user_uploads/file/xekokezad.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210918015549_r8ng6r.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614441c828ff0---bivawepuzefabukikaloj.pdfIn PDF document text
- https://moraure.net/js/ckfinder/userfiles/files/43184850435.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/mebidolonidadofuvutoluf.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/86495272988.pdfIn PDF document text
- https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/32192587491.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/a95c54f97440f120d85bec1efa3df111/58834902171.pdfIn PDF document text
- http://predit.ru/admin/ckfinder/userfiles/files/bewatuzojotefetijemipi.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/fizuwawemivabavamutiki.pdfIn PDF document text
- http://www.mostex.sk/files/articles/file/pebakokexupef.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=convert+mp4+video+to+mp3+audio+online+freePDF 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_off0000d696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD696 | 10936 bytes |
SHA-256: a6b418fa67b7f7d838d242f6d5d8a048aa3e2928d7c41b7bfe1ff14fa8a7027a |
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font_01_sfnt_off0000eff8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF8 | 16952 bytes |
SHA-256: 272579faa42a38e18fee5d9826a5d2b91767a53ef768f5a85b36dbcd92f12bd0 |
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font_02_sfnt_off00011b91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B91 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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