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 compromised WordPress sites, which in turn host other PDF files. This suggests a multi-stage attack where the initial PDF serves as a lure to download further malicious content. The ML classifier strongly indicated maliciousness, and the structure of the links points towards an attempt to distribute malicious documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64e5006945---79383658202.pdf In PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f27f043451---40907068992.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f66c742bc---jumobogokirutoloju.pdfIn PDF document text
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55084878149.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/1173976171.pdfIn PDF document text
- http://dasbluemchen.com/ziwidimebujigubokedo.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/87aa635c74a2d827df3ca17c075d1440/38464289455.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/ecffdd3d16341cace9e187aba21d74e5/wemug.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/xuvutijijetote.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16095bc2744480---lozirulujutadimefodeno.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/98368048151.pdfIn PDF document text
- https://tasteadmin.com/ckfinder/core/connector/php/custom/wysi_uploads/files/72163597338.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0556485d02---60670491478.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/51328724318.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/b1991fd57182360f645d119b20b1d2e5/xonilo.pdfIn PDF document text
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/mik8k0i34ute9gr060n62p079i/bopabu.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/71478589118.pdfIn PDF document text
- https://777mto.org/contents//files/febafivajo.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b436c14f549---46332332810.pdfIn PDF document text
- http://tramtronbetong.com/uploads/userfiles/file/19371839309.pdfIn PDF document text
- http://alltechsro.cz/files/88249074816.pdfIn PDF document text
- http://terezmisszio.eu/files/file/fimelujuparowinifufel.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/fogawasevakorotup.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=word+sorts+for+within+word+pattern+spellers+pdfPDF 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_off0000c9c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C4 | 10672 bytes |
SHA-256: 802962f669db0a7f2f68ded855a4bad1ce804e23069dc4ad5d58a411044dff47 |
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font_01_sfnt_off0000e231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE231 | 17888 bytes |
SHA-256: af8f4b75708c0b61de35e3344f4e23a9645db8798dec61c0c0329b47c15f469e |
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font_02_sfnt_off000110df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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