MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous PDFs hosted on compromised WordPress sites, indicating a likely attempt to distribute further malicious content. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting, suggesting a campaign to redirect users to malicious payloads. No scripts were extracted, but the structure and URL patterns are indicative of a downloader or redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160b834714da82---57068385630.pdf
- http://cjandjunemillerfarm.com/clients/75830/File/26945509478.pdf
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2257c9423---kagukugu.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac797809b6e---39492417109.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160abfd7b4e989---21107584353.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/705ee6a4094b46e2156e591a30cad5a8/3347433678.pdf
- http://nyett.hk/uploads/news/files/68714738453.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/2a90685247fc5d6e9b75aeb0b9e4deb5/leruvetokogef.pdf
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/57f5d843fba96f329f53a99299e5d4c1/sejiwojujo.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ecb807ba---45677145374.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae935b74c2---vivudomugipok.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713aacebe70---muforovasene.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e520cf85e---48462545473.pdf
- https://nikosdimos.gr/userfiles/file/54960482506.pdf
- http://e-sportis.com/images/upload/15746405183.pdf
- https://puntoagricoltura.it/file/11016028248.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d42d8c805e---40161849872.pdf
- http://pc-driver.ru/userfiles/files/3219197516.pdf
- http://lyzjkgm.com/d/files/75890564438.pdf
- http://thecreditcrisis.net/clients/73966/File/89668144681.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/nufupew.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a75f69a3b0b---55352078573.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b83adc67a14---19566451436.pdf
- https://stopserv.ru/files/file/66244977056.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/t2vd0ne41uqigj6538ok1670o4/fatibaxigupuluwosane.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=sun+and+moon+warm+and+cool+colors
- 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_off0000e4e0.binef957cd045c33d940e0598f9aab2577dc76bbd59ee3672373455a20b9854f923 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E0 | 16744 bytes |
font_01_sfnt_off000110a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110A3 | 16792 bytes |
font_02_sfnt_off000128ba.bin84149703f0c1eb10144f3572aab80164928cab0c9f7f107a3839dbe5d231ddeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BA | 10472 bytes |
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