MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised WordPress upload directories, suggesting a distribution mechanism for further malicious content. The presence of numerous unknown URLs reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16077c6c0b80d0---danebifozibu.pdf In PDF document text
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/82539d62b36000c4a5c081ec63430c94/kimesafikebe.pdfIn PDF document text
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/bf73db0b0c113d948344cc4041a1a4c5/rurerejuluteveperaj.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/75012904063.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/14rponc1jd3bhnin4u9jc4r2vm/kosuxolomunelakiw.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/n0v1gd4n6ik3an1r6mv8n65duk/15773517550.pdfIn PDF document text
- http://apartmaji-zunicmile.com/uporabnik/file/6185391519.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16091cfa711649---92600405486.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe949995b8.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/2bdb3085bd860d0180d932edb9906619/15991497902.pdfIn PDF document text
- http://mizuho-co.net/file/ck/files/82186767753.pdfIn PDF document text
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/f4ef5345f130c99c102d680af30220a3/15706698799.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c33f2224ed0---mubowukosujak.pdfIn PDF document text
- http://www.aqsclimited.com/EditorImages/file/51566690973.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/07d8d3d053a88c7b365d4ec9f8f83c5d/dirabexujateb.pdfIn PDF document text
- http://technocom.pl/editor/file/9479023512.pdfIn PDF document text
- http://geasit.it/userfiles/files/56715789568.pdfIn PDF document text
- https://wagaskar.com/media/71693250111.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/607d5a2b73a758022172719f8c8afc61/gugudonisexirosajaditu.pdfIn PDF document text
- http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/36849993859.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd9e00f97b---girowajo.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/4ae6fa6695c24656b1df955b12e3aa29/39161053736.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/du7hv9g304r13f14valgq9o596/24040834970.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/7bb7df2e6c8abe76e0295188d0fe281f/wekevirijoxajexegik.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/tapixugefejupibigune.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=black+cats+and+jinnsPDF 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_off0000ff6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF6A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011781.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11781 | 10284 bytes |
SHA-256: 4fb57e1d07ce9bdee77802f9e9148d2e3aa3c4ebb57542b0522b60d29ac5aeba |
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font_02_sfnt_off00012ec0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EC0 | 16976 bytes |
SHA-256: 88cd0d7f48565447508772644e9221a0db8045bdf964cffcf9d4ea778ea1a366 |
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