MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple domains, many of which appear to be compromised CMS installations. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests a redirection or content distribution scheme. No scripts were extracted, limiting the analysis of direct execution capabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://centroolosprato.it/userfiles/files/76138966199.pdf In PDF document text
- https://iringmalaysia.com/ckfinder/userfiles/files/32614323883.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/fea92de8b76a95c7d299217607c0ac67/55074254357.pdfIn PDF document text
- http://agroanaliz.by/upload/editor/files/fujopikidixovipaxub.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d2ec15766---bejuzi.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083637bee49b---dojugolobiwinakivuxak.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/1t3j6t4rvh3o0qfcuj7n9mslk7/wogapemopugobamobemimime.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/i99ctncfh0769jb1r7uor8kab1/dodutexap.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/0emrpr8pqadec5858vcghsbl9i/90344816722.pdfIn PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/785937650b92d599db6a7dddefa2223e/19940236613.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/ihec6b7ieo2jbsjrhm60n7ma28/wegekunisotimuge.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160799ccc808a8---26788623693.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2919f1de6d---81529028399.pdfIn PDF document text
- http://kasintorn.com/images/upload/files/xerozadaxofaredirogobozo.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/1s3k3m4sv7fk7o2k1th0takma5/45311154669.pdfIn PDF document text
- http://xn--om2b25zm6igqb.com/ckupload/files/5320311991.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/74744933056.pdfIn PDF document text
- http://reicar.dk/userfiles/file/kezorurowo.pdfIn PDF document text
- http://tutek.eu/userfiles/file/69930920700.pdfIn PDF document text
- https://yuss.it/file/65734397642.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/sg90t14vtgeju7f05kikjd88bn/32826026599.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160808035d943e---27003433698.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=what+color+do+you+get+if+you+mix+yellow+and+greenPDF 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_off0000e77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE77E | 11148 bytes |
SHA-256: 2b8a475ba73ea9538b04b2fcf223cbdd1fc60216968f30837e74835d0450d425 |
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font_01_sfnt_off0001013a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013A | 16988 bytes |
SHA-256: 4d08dc586ae7341236f2275b3b6236897e4c4d0f49f261d03ed9c8265e6b11ad |
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font_02_sfnt_off00012dc4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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