MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised websites, specifically targeting WordPress upload directories, which is a common tactic for distributing malicious files. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics strongly indicate malicious intent. While no scripts were explicitly extracted, the structure and URL patterns suggest a phishing or malware delivery mechanism, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9738
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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 http://www.morrisjones.co.uk/EditorImages/file/2845682773.pdf In PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f0ad56a51---sebimaxamebevupesadaxan.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16077c91fe4f46---wovigonifixukoxuzu.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a677c45d4c2---volexevafo.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3d94701b7---98024428334.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4f1191e33---veruxelepogizanusa.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf71ad586---2828057826.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/56655956027.pdfIn PDF document text
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/arlt383iee4q3eruh0o5ggu3ov/galuvafetevadojutaj.pdfIn PDF document text
- http://nhaphangmy.us/upload/files/9870090451.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c25aa8550---zuwap.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/17151464257.pdfIn PDF document text
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/3f5b67c2b51120b1faf36954ca284a3e/zejoxetamobolokikodufe.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608be62c9c813---38299589419.pdfIn PDF document text
- http://stavclearing.ru/upload/files/5370805607.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/at816lokq4e0cfiv9piiqs6ik4/25085032226.pdfIn PDF document text
- http://bainihu.com/upfiles/editor/files/31655088254.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/ucn98c2oghcu9lusj71mru7cv1/xituw.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/gavunuxajabefepi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/190783b1341da9dd9b92c778b26eaa4c/31741706908.pdfIn PDF document text
- http://land89.com/ckupload/files/68650905049.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/30172602970.pdfIn PDF document text
- http://superfishinglewood.com/uploads/files/50187971397.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/vpiaoufdbf270k517n6lusgdr0/janixupegene.pdfIn PDF document text
- http://heizler.hu/files/file/vibovarilazunexokefinov.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/saa5nprbil0q3ul4kr8vn44oi5/78253694857.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=element+named+after+americaPDF 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_off00028290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x28290 | 17840 bytes |
SHA-256: fd868eaa0580e5c373ac3418fb350ec3287d7ab1f368f23dba403d0c29e74370 |
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font_01_sfnt_off0002b0ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B0EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0002c903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2C903 | 10332 bytes |
SHA-256: 5326dbc38abb4ff88bb75443c5e2693e5e81b00f70f0c42925428db014a540a6 |
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