MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The presence of these links suggests an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://akcjonariusz.com/UserFiles/file/nidopodesuwemolilepejezuf.pdf In PDF document text
- http://alexhoffordphotography.com/temp/files/file/tapukaxepunukil.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/53fc0fcbebca038d1040f0b645e5a16f/81748336821.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/b84b29cc3df74d82fb7c9b56dc4a2f64/89605412234.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/cc518bl3enksfn8qmg324aqbqh/49620014356.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/jfe7b85pdt2bnn65bg5ii5ull2/maxexudezaxatarul.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/tojotupupiludezit.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/88df79540d712174eecdc0fede9200c1/61057876200.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b285bcf2612---97435230947.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f1f2d7bc2---zuderejidisidekowevenor.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/9440a11dc3e0bd913e0b9bb9ed8db20f/41808994566.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/ac93bfd95263dca54313d3c409e4800d/jobudonagajafofajegi.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726f29621ef---fipopakuvosumufo.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5577b8f6ab---22829288548.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b05696e8302---86968163389.pdfIn PDF document text
- http://cl-metalparts.com/d/files/26622835301.pdfIn PDF document text
- http://nessium.net/userfiles/file/tasazugisasusizidoxo.pdfIn PDF document text
- https://dcoderesearch.com/uploads/16941749936.pdfIn PDF document text
- https://edu-mate.kr/_UploadFile/Images/file/46461884353.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/rakotixelojuvinogesodole.pdfIn PDF document text
- https://serwisnawigacji.pl/userfiles/file/54089880093.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/nilujepisera.pdfIn PDF document text
- http://alituncer.com/userfiles/file/rifixotoki.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/b0b7876f7b90775374c477951286dcc9/34720002799.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a6e84230d---83698620141.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=specific+latent+heat+of+vaporization+of+water+experimentPDF 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_off0000f908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF908 | 10968 bytes |
SHA-256: a8cc5aaaa92039b158b603609566277671fa5329aa61b0e7fbc75e5318a48912 |
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font_01_sfnt_off00011260.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11260 | 17488 bytes |
SHA-256: ef91797baacde6d69487ca6e052a74afd9c66e697d7e9600b68247dc34125d3b |
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font_02_sfnt_off0001406e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1406E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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