MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on potentially compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
Heuristics 7
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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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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://foto-preiss.at/upload_files/files/75339380829.pdf In PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/a13248b826be626491787190a4a9a535/tutur.pdfIn PDF document text
- https://homestayhoian.thamtuddt.com/uploads/image/files/xigibuvavojel.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/nusopemedudigijolusu.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/taxiwamegudit.pdfIn PDF document text
- http://blow-w124.com/js/upload/files/lokemafufolazufimivoj.pdfIn PDF document text
- http://dekogard.net/deko/veri/_files/37887948189.pdfIn PDF document text
- http://allivecoat.com/userData/board/file/bukelerigawejened.pdfIn PDF document text
- http://villkasz.hu/editor_up/91255296298.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/7fd51bee7b1fdc836db8fa259690dbb1/2506486695.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/niderogigidoxomabopiro.pdfIn PDF document text
- https://bestrecycledautoparts.net/images_i/file/50189400254.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/45122143763.pdfIn PDF document text
- https://exam10.menapoint.com/app/webroot/upload/files/23199444308.pdfIn PDF document text
- https://machinex-machines.com/UserFiles/File/74347426216.pdfIn PDF document text
- http://detskaoptika.cz/ckfinder/userfiles/files/xexidojazokubo.pdfIn PDF document text
- http://mundialimportweb.com/userfiles/file/1912146911.pdfIn PDF document text
- http://hnfhdc.com/UpLoadFile/2021090119212530899.pdfIn PDF document text
- http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/vojepotozifoket.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/30193468250.pdfIn PDF document text
- http://www.sictombbi.fr/ckfinder/userfiles/files/jeloditepuwukaxamosomimu.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388d5e88ce8---68187772887.pdfIn PDF document text
- http://ayurveda-shiatsu-qigong-nice.com/upload/files/59825252657.pdfIn PDF document text
- http://balcimimarlik.com/resimler/files/dupibaxilivawufiv.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/61698163208.pdfIn PDF document text
- https://wonkingchina.com/d/files/xumopuf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=ps4+gta+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_off0000b514.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB514 | 14632 bytes |
SHA-256: 9f019a3da72a6a1ff9a9845b3ec9369747be08c006d1832e8dbd08ccd98128c3 |
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font_01_sfnt_off0000d9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B6 | 10468 bytes |
SHA-256: b8421880405cafc23c4e9e1c706b86b4192aa4a1ac6aa29d9f6af1712a0514b2 |
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font_02_sfnt_off0000f1a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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