MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable domains. The ML classifier strongly indicated maliciousness, and the structure suggests a link farm designed to redirect users to potentially harmful content. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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://bosgo.mn/uploads/files/77572875658.pdf
- http://anhbanglaw.com/userfiles/file/wavawafuzataberib.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084110bbbb9d---lilegotilijaxoguvob.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/cvud7qavgf07n3vqb1nrrakb4u/46490184964.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/335a1d9463a109fcfb4d05009360eba2/posuk.pdf
- http://szalkasszorutacskok.hu/app/webroot/files/content/files/93058061745.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b551fb90e06---riwozazetafikobafa.pdf
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/621ab004a01e1d27380a95981d548799/87068225510.pdf
- http://agenziaimmobiliarecannavo.eu/userfiles/files/68726264727.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8de2495e90---fexajivimusaganiwikiza.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/n6m22hn06egm8jf6mbafefncgj/liludamidajufobe.pdf
- http://hasyo.net/files/file/69983364185.pdf
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/rlhu5jvjsnno6ai5f1mbvhmv13/befowikilizokab.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609e237a4a2ed---zokenazutoponutir.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cdbe99ddf---8419813234.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d7f12edca---dujonupujure.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16076aa10bcaf5---35464850969.pdf
- https://growyourmoney.in/userfiles/files/84297304868.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c08891af49d---92032608122.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/50a4737c9defe56e8574435d058c6942/zapusakafesapijogun.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077be2178745---damamoturakivesomufok.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095960d55f35---259201948.pdf
- http://fincasotilloviejo.es/files/sotillo/_repo/file/92716475477.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=anaphylaxis+type+of+shock
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001342d.binc1b433454f5a4190d9f7e41fe31616c73efc5ac88465ecf21b6809e1e03efbd9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1342D | 19508 bytes |
font_01_sfnt_off00016748.binc5bceb5235d6cbed7bc386440e6cf642f5cccf7089ca13758496f629fa036d5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16748 | 10768 bytes |
font_02_sfnt_off00018018.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18018 | 16792 bytes |
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