MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to obscure the ultimate destination and evade detection. The ClamAV detection of 'Pdf.Phishing.Trojan' further supports a malicious classification, likely involving phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4049
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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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://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3af8aeae7c---bupenalexarafasi.pdf In PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/869468eb49aa33f968d9f38a02a96b01/ravuzuvoje.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160866d18cb9ea---50019961260.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/3647294202.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/zejibumeva.pdfIn PDF document text
- https://agroadvanced.com/app/webroot/newsletters/editor/files/6931412269.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160d74bd6cd47d---rarozuputis.pdfIn PDF document text
- http://cukorbetegshop.hu/files/76449538284.pdfIn PDF document text
- http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/vokusugif.pdfIn PDF document text
- http://www.urbanwaterways.info/files/45169388381.pdfIn PDF document text
- https://fulzugaskozpont.hu/files/vuxez.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/muut4kkagjttaijbesiif72imp/pigusewomazev.pdfIn PDF document text
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/e103682ed34bd5fd39b3514d5862b11a/97237319413.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094080e260b3---90597915083.pdfIn PDF document text
- http://tele-video.ru/upload/files/dolixegejuj.pdfIn PDF document text
- https://www.allduniv.ac.in/ckfinder/userfiles/files/53263887306.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/zurezori.pdfIn PDF document text
- http://cityhighclassof77.com/clients/9/9e/9ea685038b5a197d2022a69b8c6b162a/File/12606957979.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/ldbq1klk9e2prr51s6o9f77mhh/vuxudoxuzigatevijigojaf.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/8325df90fdb3563412257e11904bf5f9/basaliwo.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885ba4e4622---lekife.pdfIn PDF document text
- http://nenorm.com/files/files/periwabidizukurufod.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/d58f154snecdbb2d6lcj4ugkr6/45739562753.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=if+i+born+in+2004+what+is+my+agePDF link annotation
- 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_off00010f6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F6D | 15492 bytes |
SHA-256: d748b791dcf78b2c35f6e9bbb4ab2671ff9abcd2c573c5918d09f15b6ed43559 |
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font_01_sfnt_off00013763.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13763 | 11224 bytes |
SHA-256: 0a4ed459be7f4589f452efba00d061ac77ae216251d700188369eb424d405605 |
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font_02_sfnt_off000151ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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