MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious files. The ML classifier strongly indicated maliciousness, and heuristics identified it as a link farm on disposable hosting and potentially a download button lure. No scripts were extracted, but the structure and URL findings indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ccforum.kr/uploads/file/1621263119.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cb0dc12c500---vodel.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c306ba322e1---ruvitugosexilinipen.pdf
- https://oncallanatomist.org/ckfinder/userfiles/files/75063966036.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f96410d24---jatexidutobisoti.pdf
- https://sharjahcements.com/images/bulk_images/files/23152704212.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/j7q0f8mgv8kn7v3nn379ncnnvr/5615969659.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6ea004586---gazotakufujazoroseta.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc71d2f1ab---rufefamo.pdf
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/40666987700.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/678b3be3df7a647d6e94290f40efb94a/paxekobagetudaxa.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c7360733fad---69239721536.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608e98fdbf39a---kedufamerexitaxefelo.pdf
- http://chono.mn/uploads/userfiles/files/93129074596.pdf
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/b84aa5f290b4398873dd7e833e8eaf33/68320379272.pdf
- https://samngaimarble.com/html_upload/file/30667320341.pdf
- https://alatheir.com/atheirwsfiles/file/kesogozanulotepivawupabon.pdf
- http://simonide.org/userfiles/file/vupapifusofeloximivojosa.pdf
- http://bonsaichik.ru/images_uploads/files/jijat.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/64e0a3cdd086ff844503a7599124468d/nukuwemilijinuvoxoze.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d98001e59---52098011924.pdf
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/bfb89e53f77bf41654b0f062959ba589/66219147468.pdf
- http://uralinteh.com/uploads/files/nosibopizajivusoledowed.pdf
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/4d0c4d3f350d9544a2e8ceae40fd5791/sivolezaruputu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=corporate+presentation+ppt+templates
- 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_off00010630.binf3fa609915b3295180b99df4034eb08b3aa5249d0d2033affe706d378576c68e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10630 | 10444 bytes |
font_01_sfnt_off00011dde.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDE | 16792 bytes |
font_02_sfnt_off000135f0.bine260889fdbb6d2af82d1c57ecee49a54867d8d6a7de0cea285f1eb4025c7e8be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135F0 | 17292 bytes |
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