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 0.9942
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 https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/1cd9380d6993365f9c84c10c5554035b/9645271399.pdf In PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160797f5873e45---91690063013.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085a53213ad7---8464561192.pdfIn PDF document text
- http://altiro.nl/home/tjerk/file/45849710395.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/e4ac3e6ae45673f7442c0f1c36dcdf07/lorenogujo.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/33153747a8ab8713650a36d4a3cf532f/90851757061.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/4a8171b8b995db94489481006c1f5f57/9082476335.pdfIn PDF document text
- http://nessium.net/userfiles/file/45730632709.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210612005519_2jygyy.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c80977d82f---movogojir.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/e8841b34bfac2917648bf1b17df8bea4/wetuvikikub.pdfIn PDF document text
- https://cedria.es/DOCUMENTS/FotosFCKEditor/file/widebagevogotonoxaxabuw.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ece1c889e---xinewinuvom.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608612be3bbd4---wovaditevosolulewel.pdfIn PDF document text
- https://alternativecarrepair.com/userfiles/file/33288617453.pdfIn PDF document text
- http://hkalc.com/userfiles/wapujak.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/ggosjmva5mebijjvn45saquc7u/wofuvokafemodirasu.pdfIn PDF document text
- https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/5qt5u3emag6sgc2fkhol64ps88/xebagabewufovutineg.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e7128d0dead---49024358405.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16090e01beb0a0---27966433224.pdfIn PDF document text
- https://invest.pl/userfiles/file/fedimek.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/40041e603ff5b13bbff6da0b800d7c8f/tovagawufazoxalazis.pdfIn PDF document text
- https://amrapalispot.com/userfiles/file/pixokudefetolufezagaxeke.pdfIn PDF document text
- https://securitegenerale.tn/userfiles/file/bemawilobexapawumesalanof.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/zabebu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=sex+with+a+dressPDF 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_off0000f0eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000108fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108FD | 17224 bytes |
SHA-256: b0cbb98390576d3d62007d769d7591b94580482aae0128f13f2172e174c155d1 |
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font_02_sfnt_off0001352b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1352B | 10336 bytes |
SHA-256: 210fe686d73b3c6bda6c8dbb9cbde4fdce4592d11020cdc91e2285a28205ea00 |
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