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 WordPress sites or disposable domains, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the nature of the embedded links suggests a potential for delivering malicious payloads or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://netron.pt/app/webroot/media/files/vofumamaxakajolevogeviwo.pdf In PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/p1d2tgklq14u5bks64hr2rb2t8/77501968866.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/godurisevalimotapa.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/94dc542f0e28c13330b6ef665e2ccd54/87629278903.pdfIn PDF document text
- http://emachn.com//data/attachment/file/mezomoma.pdfIn PDF document text
- https://promise-land.com/upload/file/36267190017.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vdpumkgd3q1357al2abe1iphc2/gusetuweboravusifotidafu.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e42fd8c7191---potobububezabadabigus.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/9208c0a888a3c45076fdc66b636d1df9/gimifarelirufaderoxufela.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160736b4570781---mufuwofedasa.pdfIn PDF document text
- http://bioterapiazabiegi.pl/obrazy/file/77441322918.pdfIn PDF document text
- https://zold-kommando.hu/files/nagiw.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a605f1d8d70---buvunavez.pdfIn PDF document text
- http://xn--k1akb4c.xn--p1ai/userfiles/file/18930337784.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/31851564729.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/d60677799f8d0e95b68dbce956473229/6127693218.pdfIn PDF document text
- http://kolkandkolkdesign.com/site/data/ws/files/pawomupetimafapenomu.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a20747c6594---tevujimagukazolorum.pdfIn PDF document text
- https://ctsgroups.asia/images/file/16976117599.pdfIn PDF document text
- http://cpspcb.com/uploads/files/simelusokatomub.pdfIn PDF document text
- https://zifu-tech.com/app/webroot/userfiles/files/73717247219.pdfIn PDF document text
- http://fabtur.ru/upload/files/50226698759.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/pamubimubulawepodijeze.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/45277542361.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/pejajuvizabasa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=half+marathon+running+plan+12+weeksPDF 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_off0000e93b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001014d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1014D | 17956 bytes |
SHA-256: 1d875b722e1d0e782b7428293ed7c4d655bac3fbd7c96714d795e1539862a672 |
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font_02_sfnt_off00012feb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FEB | 11248 bytes |
SHA-256: 8ff9f126cb59c39d826ee07a3aaff19d409ea16752cb3403f27a79d009cfffbb |
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