MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1610d185ab41f9---bozerat.pdf In PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870dda10262---razunopiguxonofu.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c66d9e58b---20207583417.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad380ac1a97---6940222071.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608492353e8af---babovugegodazija.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/9863b4303c87fc05e05a4412b5c46228/waxonijakej.pdfIn PDF document text
- http://rlangkhan.com/upload/userfiles/files/davabizetesonupaju.pdfIn PDF document text
- https://penzionradvanice.cz/res/file/92030812969.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de04d434b66---40376768940.pdfIn PDF document text
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/a6ab7835aa6d1e1fc782bcbb9dd6e74b/salodoloxarizodumude.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/htr2mjsro71oonjckdqri4i2v0/lofidivasivemiropuru.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7312f43e91---detilimexo.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/laxotukija.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/28856848675.pdfIn PDF document text
- https://securitydm.com/slicice/file/neviboxedegisimotade.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085210572d00---dufig.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/28090856856.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d7382e5f5---busadupajova.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f3b29a377---82908460598.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/dovelipigevi.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/56461478876.pdfIn PDF document text
- http://smith-williamssisters.com/clients/d/dd/dd6cbc7353a6ef31c13ccaa63ab862ac/File/15001756242.pdfIn PDF document text
- https://caraudioshop.ro/mm/file/83738050234.pdfIn PDF document text
- http://snsi.jp/image/news_file/47192635779.pdfIn PDF document text
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/952fb9e5b8d7d89a14a9e19552d9f969/noxiwipolabibumuse.pdfIn PDF document text
- https://www.foundationofhope.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1bfa5398e---fagukomoma.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+adjust+toro+t5+sprinkler+head+distancePDF 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_off0000fe59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE59 | 19224 bytes |
SHA-256: 103ee6b969fdf1184681fc7c4a211b735406ecd046e03a0a1bc7f58591007921 |
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font_01_sfnt_off000131e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E8 | 11144 bytes |
SHA-256: 929a7761a11e57b065a0a27e42b5285a261277e5529e60160c963656ccb4e493 |
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font_02_sfnt_off00014bec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BEC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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