MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to a variety of domains, many of which appear to be part of a link farm. The ML classifier strongly indicated maliciousness, and heuristics identified the PDF as a link farm on disposable hosting. While no scripts were extracted, the structure suggests an attempt to direct users to potentially malicious or SEO-abused websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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://koala-al.com/d/files/80356010840.pdf In PDF document text
- http://songdolandmarkcity.com/userfiles/file/xosuponegi.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/94452444948.pdfIn PDF document text
- https://starfoil-mail.nl/uploads/wysiwyg/84329724434.pdfIn PDF document text
- http://herbier.musee-oberlin.com/img_db/38583698015.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/cc36d9bdd13abd40895d08ee6da2fedd/42823208860.pdfIn PDF document text
- https://butterfly-propertymanagement.com/userfiles/file/razonadodefulutom.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/69819039505.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cccaad4905---46088476378.pdfIn PDF document text
- http://zafirkort.com/uploads/files/37844454486.pdfIn PDF document text
- http://alacarte-grafik.de/userfiles/file/zadoxuruzul.pdfIn PDF document text
- https://cdmsig1.com/ckfinder/userfiles/files/94060251662.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/37246965683.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/453945e91548335510f6b5dd9b986e12/fezivoxaso.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/riluwuligi.pdfIn PDF document text
- https://cet.sk/res/file/wopegavamufuziveminoxo.pdfIn PDF document text
- https://dom4m.by/userfiles/files/lodabasif.pdfIn PDF document text
- http://kondicionery-shodnya.ru/upload_picture/file/24499675958.pdfIn PDF document text
- https://ispartaprefabrik.com/ckfinder/upload/files/4050738173.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/vibetametaxilanoziwuko.pdfIn PDF document text
- http://newgrids.com/userfiles/file/21674359539.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/noberakawuwagozewexa.pdfIn PDF document text
- https://defi128.phpascal.com/userfiles/files/kexixirofekom.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/3070090135.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/1hHberoKktI/uplcv?utm_term=red+nose+pitbull+average+weightPDF 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_off0000cd88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD88 | 16744 bytes |
SHA-256: 7dbf740c815521635c3d5ceb6a818a6abe6f2ac9a1c17a0de42639b2641d6474 |
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font_01_sfnt_off0000f81d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81D | 11108 bytes |
SHA-256: 57eb2c00799a16ef16075d074b841e435c86dad503ff4cf1b9a6f0c492eeac1e |
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font_02_sfnt_off0001119d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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