MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs that point to compromised WordPress sites, suggesting a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs and a link farm on disposable hosting indicates a high likelihood of malicious intent, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://coretry.ru/uplcv?utm_term=date+nut+oatmeal+cookies
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4dd7296d2---vugikeni.pdf
- http://hodgesmageefamilyreunion.com/clients/c/c9/c95619ca3ec29dd030dc8935b97378d4/File/40923853079.pdf
- http://straps.by/ckfinder/userfiles/files/vixiwemisadoki.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/51f82103b0bb1e4f53012f0bc79c4d6c/repejugofozo.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f795ba4ce---dojanitenivuxenukavixap.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/8727b963007789b8944e8c939f073f8f/sapazukoxunawaw.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160d89c5ff2642---kolowanikifatakagemafu.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/fc09be61d6158c6bc69b7b5fa2dd5afa/zetadi.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a533b664f6b---jeduf.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed011d64f8---86177752551.pdf
- http://anaminfo.com/attachfile/file/lunalitevomukozomamudonuv.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/56b078cfad69e8ba97f3bf6b8cb580a5/notifumaruxuwipopagora.pdf
- http://studiotecnicodavico.eu/userfiles/files/99635103104.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed871a47130---kemipewuligafijurapu.pdf
- https://pindimana.in/uploads/file/tolivuxafabosej.pdf
- https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/bmou6s0ks235b5odoghbeidbtp/76175018436.pdf
- http://kstarsmall.net/userfiles/file///99795982732.pdf
- http://theemasternetworker.com/ckfinder/userfiles/files/mexumaxegok.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9ca434af1---11822701205.pdf
- https://poolpoint.be/uploads/file/62886098243.pdf
- http://yogo110.com/userfiles/file/natesopifago.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1dce79796---wisifopubufefakigosik.pdf
- http://lt101shop.com/userfiles/files/wegabowuw.pdf
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/2af180abb7b0082265998133e78c37ae/bafalis.pdf
- 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_off0000fdb1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB1 | 16792 bytes |
font_01_sfnt_off000115c8.bina8d35e87d0a670af75780d96bd8d7bc1e4853a77d5ec28b5708217da35f775eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115C8 | 10484 bytes |
font_02_sfnt_off00012d98.bin45c2faaf023cb7f610bbbbf78a392f4fa833ddd014949ea7bde173f9d827f53e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D98 | 18372 bytes |
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