MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised websites or are part of a link farm hosted on disposable domains. The ML classifier strongly indicates maliciousness. The primary attack pattern observed is the use of a link farm to direct users to potentially harmful content, likely as a precursor to further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://boxerdapolenta.com/cmsimple/images/file/90301564377.pdf In PDF document text
- https://creativitagh.com/pevron/www/img/file/57893994874.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/2dpk23vchkmdi7or96ais0adq6/mebevibulipufidexeb.pdfIn PDF document text
- http://canhtoanland.com/upload/files/59388476556.pdfIn PDF document text
- http://thevenetianmask.com/clients/71561/File/49845330211.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a088960d18c---98421473042.pdfIn PDF document text
- http://bociany.sk/media/file/valukosugikonigamibu.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a015192ee72---60615302585.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868ef4c0b38---kebonaboguvepeke.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/2eo6npkib5errrqjrgv8hc16tp/todekudojisopirojuvog.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/7ec3e6c9cc9e5983ed574baaeadf73ac/fasizebapibasevakona.pdfIn PDF document text
- http://marleenjansen.nl/images/uploadfiles/nobujevobaseveme.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/48c5a27fcc0f42fcf609e4d13c6405aa/14745482230.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/60251313808.pdfIn PDF document text
- http://madiran-cruduparadis.fr/ckfinder/userfiles/files/kojofawevusulivitapexix.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/19456508405.pdfIn PDF document text
- https://angel-juicer.com/FileData/ckfinder/files/20210622_6C084AF2FE4C4323.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf242264a6---93754271267.pdfIn PDF document text
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/23952192268.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609af51cddd27---tuvopekolowemakoba.pdfIn PDF document text
- http://techbis.pl/files/file/89178877509.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/e048fcbc117adeb97d7a13c5bc8bc7bd/71249284025.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/gerugqq78kl2aamfht4rshbvb2/pabobelogarirafi.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071342c60c19---84705720742.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=beautiful+synonyms+slangPDF 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_off0000e517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE517 | 10724 bytes |
SHA-256: 69037aded0b87fb9e54ae71a5254b639b09a6a9757c49e77b030e41ccede848e |
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font_01_sfnt_off0000fdc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000115d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D5 | 17356 bytes |
SHA-256: 9e3a89e0e8496b6737840a1fdc01b6ce44884ebca216fd85961cfd694c2d6748 |
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