MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress upload directories. The ML classifier strongly indicates maliciousness. The primary function appears to be acting as a link farm, likely to manipulate search engine rankings or to serve as a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c9def4545fa---67492914552.pdf In PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160c990c9a2669---51205192447.pdfIn PDF document text
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/d2vhm5ssn93bpi44i7aqrg13ib/falinumavamopawa.pdfIn PDF document text
- https://amatnieks.lv/pictures/image/novufuforulijofofox.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/bimetivobutijanap.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/1l7go3qj5shcb9scsmskmn76e1/74653957989.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/95221172578.pdfIn PDF document text
- http://iwishop.hu/file/fegizuzafekerevudiloralaj.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/5089cb2a3879a89a521f97b699d3725f/fitijilogogasopus.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608817bd3e3fd---33335858550.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/59c2b8f8a66f9002814843e4f72703d3/mujesak.pdfIn PDF document text
- https://semineebrasov.ro/printuri-fi/files/rowonigujawiga.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/ruwujozewuwixojuberewawil.pdfIn PDF document text
- https://aduanaldelvalle.com/userfiles/file/50851251167.pdfIn PDF document text
- https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/6843456ad785efa5eeda6b6506ead700/79876145820.pdfIn PDF document text
- https://pacie.vn/web/uploads/files/41845905713.pdfIn PDF document text
- http://sequirk.ie/userfiles/file/zefevisob.pdfIn PDF document text
- http://studioingegneriavaragnolo.com/userfiles/files/37105209864.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/622nm910sa88iqlt8catgmmq73/77982485128.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/3tarubc7t39qci5ef5ooi4n9d8/nidewedo.pdfIn PDF document text
- https://daiichigroup.net/uploads/news_file/38458957437.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/14043207982.pdfIn PDF document text
- http://firmykominkowe.pl/Obrazki/edytor/file/50605682301.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=surf+boat+rowing+positionsPDF 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_off00011700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11700 | 18236 bytes |
SHA-256: 9528cc0ea74a1960f8279403fb7ed4da9fbb11ff288ec6ddf589149f34147d1e |
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font_01_sfnt_off00014709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14709 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F20 | 10756 bytes |
SHA-256: 4167b0a64e0489feafa02ae4a75f2d35a5869f069fd4d55891f4b15cc8bcb7ed |
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