MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to obscure the final malicious destination. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3829
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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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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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://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/ed1120c63eb179e78b19625aacc3fe2a/gekuwewuvu.pdf In PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609897031ddef---38083414938.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/bd1b69c7dbbb217ab666aaad828c31f1/65362337141.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/62771318014.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/afd53258dafbae85672d594395c55929/59237303691.pdfIn PDF document text
- http://meetburgerusa.com/uploads/files/rezimu.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210618024927.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0fde86738427a9ec3c396713e2682990/dabisusikixojop.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/11806675428.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/1644960848.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210629_87FFAF8420CC9898.pdfIn PDF document text
- http://nusratali.com/userfiles/files/lunej.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16071a7fb4ba25---dujebofipa.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/ac71724dc6a0d37ce0b87f3eff6d5d33/64274884466.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d8d7665f5---kezopilasawegeriden.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/0540264fb702357b5a3f2c23bb7002ef/53211874637.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160819c04deec8---61623578464.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/78736247946.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/72177040470.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/38256533927.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/16680062305.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/e6feb6d74a9f6401975ea5393db9d28d/febugizutotuxakajexewu.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/de6c913a21b9bd38ad870f6e17ac4735/guxatanabosasajetepilavon.pdfIn PDF document text
- http://salsainkonstanz.de/media/files/xabosagikarunu.pdfIn PDF document text
- https://banghenails.com/upload/file/xipifatogawazexedu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=stemi+guideline+esc+2017+pdfPDF link annotation
- 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_off0001f4ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F4BA | 21776 bytes |
SHA-256: 34b11dd241029476f1a770fedf1829868c72e1f0b60334025e8b75176cb6aa11 |
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font_01_sfnt_off00022d80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22D80 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00024597.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24597 | 11100 bytes |
SHA-256: b99991c37f0a8af808ebe5de14496e5be1e77c8522afabeaa76ab27807faf874 |
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