MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various domains, many of which appear to be compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates this is a link farm on disposable hosting, suggesting a tactic to manipulate search engine rankings or distribute malicious content. While no scripts were explicitly extracted, the PDF structure and link farm nature are indicative of a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607830e4134be---pawoxifikadobaz.pdf In PDF document text
- http://facilitymanagementassociates.com/survey/userfiles/files/salasuloxibotelorijoxade.pdfIn PDF document text
- http://domainecomps.com/documents/files/75392865956.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da740e3d18---10428331653.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/0e87gm9nrig2orqvubkt7mn4tn/vawarakitozasefelivisusum.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/vcvusi6i5qk7l75fnl9p9cok2d/6496022421.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qgj40i294i4vrg5pgieneg7f3n/sikerirugimiw.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbf16f0c812---93295467022.pdfIn PDF document text
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/lmptas1l1g64g1janksp3dsp5e/83794287679.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089c9d0e3b36---72907685655.pdfIn PDF document text
- https://cuatudongbinhduong.net/uploads/files/posimegewim.pdfIn PDF document text
- http://thermogroup.ru/uploads/files/puvojuj.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/gutepuropigerebitokukiri.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/47b2fd008482d6ea96b354e1e3bc46b4/zazadatujidowadinen.pdfIn PDF document text
- https://matskaren.se/anvandarbilder/203/files/tapezopenapelisuxuti.pdfIn PDF document text
- http://bloomx.com/sites/all/sites/bloomx.com/files/1298947706.pdfIn PDF document text
- http://debeleven.net/UserFiles/File/96540205111.pdfIn PDF document text
- https://koncnc.com/genelresimler/file/59675957773.pdfIn PDF document text
- http://littlepearlspublishing.in/data/eimages/file/wodotuzigujatidajuje.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc7d0ad69e---denefisak.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/144786e378c3b1273bbb255b36f4ef22/67163221621.pdfIn PDF document text
- https://weddingitaly.jp/images/file/23426750698.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210808082939_1296877625.pdfIn PDF document text
- http://haniltm.kr/upfiles/editor/files/23204175579.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=1st+grade+math+worksheets+more+than+less+thanPDF 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_off0000d90c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90C | 16876 bytes |
SHA-256: 0fcb1ab47f003f2dde53c85df93ced3c2772d64e98d6b18184bff5c6f095a331 |
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font_01_sfnt_off000104d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEA | 10736 bytes |
SHA-256: e6329481b543508f87c3b9d8f08541de420351aa211da6e445597d31cd07b699 |
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