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 pointing to compromised WordPress sites and other potentially malicious domains. The ML classifier strongly indicated maliciousness, and the heuristic firings suggest this PDF is a link farm designed to redirect users to other malicious content. No scripts were extracted, but the structure and URL distribution are indicative of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610c9c08479ca---2358292364.pdf In PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/27895572095.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/egi2djmnopiktricieu2pcjrve/sufapumubowomi.pdfIn PDF document text
- http://greenplanetnepal.com/userfiles/file/xojelovonekosigi.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/d8a0a5b5a937e7c5b9cb5625463fd7f6/lidejiso.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/81541189192.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/68205555575.pdfIn PDF document text
- http://oprandi.it/userfiles/files/14189219697.pdfIn PDF document text
- http://kssi.ir/public/userfiles/file/74753575815.pdfIn PDF document text
- http://doremimarlikinsaat.com/userfiles/file/lumijiropenajo.pdfIn PDF document text
- https://bangprice.com/bangprice.com/beta/cms_image/file/rofoweteb.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/242f6746720c406f16db49c25699b55b/zikakexojaratukufozewar.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/9h72fdb2dv4gv5u0mudbqgqtth/30474209143.pdfIn PDF document text
- https://nbtele.com/en/cache/fck_files/file/78412849901.pdfIn PDF document text
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/xibuwabokexow.pdfIn PDF document text
- http://lookkorea.net/userfiles/file/61386787670.pdfIn PDF document text
- http://cheumst.com/upload/fckeditor/file/53912535666.pdfIn PDF document text
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/24gll465hv916sukscf4ps4qnn/pewimibixepimi.pdfIn PDF document text
- http://nanumed.ro/uploads/files/vodosuzazeji.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b436d85d6---visidawuzowudupesibolusik.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/06/files/210606121903.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/99529151449.pdfIn PDF document text
- https://novahealthclinic.ca/userfiles/file/69980769574.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=solucionario+electronica+teoria+de+circuitos+boylestad+10+edicion+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_off0000d92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92E | 18548 bytes |
SHA-256: 8ad18450dd35a29610571fe2eb6d6f2c5620342f325791095003dfefdb9acb77 |
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font_01_sfnt_off000108e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000120f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F7 | 11216 bytes |
SHA-256: 1e4e8928111eecbbf1b7a380146ca5dc37ba873e6112cd8b237c44b8808ebe0d |
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