MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of multiple external URIs and a link farm structure suggests the document is designed to redirect users to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mimpiindahsatu.com/contents/files/sesaf.pdf In PDF document text
- https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138583249ec6---55536709011.pdfIn PDF document text
- http://www.synagoge-stommeln.de/ckfinder/userfiles/files/tikoxofogosiziruna.pdfIn PDF document text
- http://fastcredit.ge/userfiles/file/26510609124.pdfIn PDF document text
- https://thefertilizergranulators.com/d/files/9210741176.pdfIn PDF document text
- https://zahrek.com/userfiles/file/mizudawagesuxugez.pdfIn PDF document text
- https://sleepthai.com/piceditor/file/51767797135.pdfIn PDF document text
- http://nollve.com/img/editor/image/file/95662228719.pdfIn PDF document text
- http://lungshingcentre.com/userfiles/jisatejobub.pdfIn PDF document text
- http://ebus.cn/up_file/file/71337937286.pdfIn PDF document text
- https://ajitcoatings.com/uploads/45010280182.pdfIn PDF document text
- https://przygodanaukrainie.pl/admin/ckfinder/userfiles/files/tasabavupodiminebubef.pdfIn PDF document text
- http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/e6a563338c1056903e2de4a0ca2a9abb/37219997438.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/33101739562.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/85818337100.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/5776371274.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/54541416120.pdfIn PDF document text
- https://amgaa.org/temp/files/21849114947.pdfIn PDF document text
- http://imbirimbir.ru/files/49222121743.pdfIn PDF document text
- https://razredna-nastava.net/files/75606300273.pdfIn PDF document text
- http://autobedrijvenindex.nl/images/uploads/30960172220.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/mugawakelusomutujosas.pdfIn PDF document text
- https://aimara-bg.com/userfiles/file/70132331600.pdfIn PDF document text
- https://gestionarival.com/userfiles/file/42331894642.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614015c78ef78---busagoverawapexifotozowi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=on+screen+3+student%27s+book+answersPDF 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_off0000ba0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA0C | 10876 bytes |
SHA-256: 6149fe24d33e359e0a78431eb41f026215170f11533addffcd57c0820c12a659 |
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font_01_sfnt_off0000d385.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD385 | 20196 bytes |
SHA-256: e704ac7d4a8cc91548e5ef6397a52aeadc38b52e28250bb62421888f87986728 |
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font_02_sfnt_off00010777.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10777 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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