MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to distribute malicious content. ClamAV detection and ML classification strongly suggest a phishing or malware distribution intent. Although no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
Heuristics 6
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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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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://geneolock.com/locktactyuma/userfiles/file/xodifurikifigowos.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082fde34a625---wafefolujos.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080c71ee3d22---gagenuxowidimuteleze.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609e57097b365---zawederewedazonekaned.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c635c3ca90a---risuvabovafodepe.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798c97ea9a4---sikofotuxur.pdf
- http://vietsonplastic.com/uploads/userfiles/file/kutosapenoxuretunovuv.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31fdfe930c---kufewepuk.pdf
- https://adepotcustom.com/UploadFiles/file/20210429165652149.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/okpf1tnmlte0kslb0hpi2cht27/pobaxefusow.pdf
- https://sanidom.pl/img/file/vakutulu.pdf
- http://ampletrekking.com/userfiles/file/sazarufopekipenarezija.pdf
- https://petrovsky14.ru/docs/files/furatitedokamukevurivek.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/f5mmavvaisi0llbglqquji8a97/12690359152.pdf
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086de342a337---41646518984.pdf
- http://lasfyy.com/uploadfile/file/20210629123748864.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/4288353bf3d53ddc5e50f6d095ad8456/sanonidudalidemunewi.pdf
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075626a96c91---lasanupejanigatinel.pdf
- http://royalwedding.jp/images/blog//file/55132082524.pdf
- https://corianderedmonton.com/ckfinder/userfiles/files/vipun.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b691622110f---xalogerisibogudedowex.pdf
- http://anhuizpyy.com/upload_fck/file/2021-5-27/20210527234927349619.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e96db969f---42355110129.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=snitch+meaning+in+english
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000e479.bin0339bf8a6420558f0f6386bda492f7be3e8e1fb60c77b4d3bcf7493124140410 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE479 | 18896 bytes |
font_01_sfnt_off00010407.bin20095c1808aa8ceb028d56de254bba5bd4ea84b769d45d9392203407e2054400 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10407 | 10532 bytes |
font_02_sfnt_off00011bc6.bin61e9e2d02bbc88d76d67fc9bc32420ecc8fdd7a5ff7b818a43ff30f913d04c5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BC6 | 26208 bytes |
font_03_sfnt_off00015aea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AEA | 16792 bytes |
font_04_sfnt_off000172f7.bin4b86caf71874ce12ab1460a526b0f831b21f6d87a844a0a1273da801ab9b7758 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172F7 | 3984 bytes |
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