MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm, likely to distribute malicious content or conduct phishing. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://allytemp.ru/uplcv?utm_term=ignition+system+components+pdf PDF link annotation
- http://ibb-online.ru/f/file/febora.pdfIn PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cde5f2bfd4---jizifosagixopi.pdfIn PDF document text
- https://badrivishal.com/media/14197652146.pdfIn PDF document text
- http://washchienluoc.com/upload/file/bewozojurozite.pdfIn PDF document text
- https://himanshikitchen.info/viking1/uploads/files/kiguluditibipup.pdfIn PDF document text
- http://kartinatv.org/uploads/files/43504846229.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/xoduwuxawelifosabese.pdfIn PDF document text
- http://www.moyekolodin.com/files/mifuzewebetosabosan.pdfIn PDF document text
- http://china-hold.com/UploadFile/file/20210609224945210.pdfIn PDF document text
- http://gesundimjob.at/images/content/files/kovanifexelar.pdfIn PDF document text
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b53c2ace37e---44082414724.pdfIn PDF document text
- http://dighakanchaninternational.com/FCKeditor/file/tefogemipiv.pdfIn PDF document text
- http://zjqzzx.com/uploadfile/file/2021090312332473499.pdfIn PDF document text
- https://couvreur-hautdoubs.fr/internet_new/images_et_fichiers//file/novozifukonilewadu.pdfIn PDF document text
- http://fratellibeninca.com/images/file/tegupukowo.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/rimezikinejumarorilexoki.pdfIn PDF document text
- http://hykylalumni.org/userfiles/wuruwutidusa.pdfIn PDF document text
- https://777mto.com/contents//files/vimozogi.pdfIn PDF document text
- https://webmenuplus.com/images/file/gobofifowi.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078a2eaa9d34---25644384312.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/de5ce9233c49ecce9f4d364b13dec398/53410683006.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/25814e6f25e769636796d6e312b3481b/83553299378.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607036d8d3ab4---6561106467.pdfIn PDF document text
- 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_off00011ccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000134e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134E6 | 10720 bytes |
SHA-256: aee7b854db02ba7b80a3780a4726fe200f718b2c4aa9fc8b0cee8ad8b9afc142 |
|||
font_02_sfnt_off00014d55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D55 | 17740 bytes |
SHA-256: 305dea006b85bee0ed3f89905c8aab648f3385b8b6b798a589cd0bf687c5ad64 |
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