MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised CMS upload directories or disposable hosting domains. This behavior is characteristic of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.7933
Heuristics 5
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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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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://zigzagontwerp.nl/sites/default/files/file/29676777427.pdf In PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/576b17dde1941c0de732e348bb521a53/22675809026.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b08a5679439---94228023372.pdfIn PDF document text
- https://xanbiente.de/userfiles/file/gasepiget.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/1ubudm98kasicgsa3d0aapipbi/rofajegu.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/bovaxudegekozuwedesaliwaz.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/2a923b50ae2c730d895b344505473bc0/vapujofujokesebilid.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/805571649.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/nevetabufuna.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d92331bc35---58402483232.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/nuximowefazivesebidorow.pdfIn PDF document text
- https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/dbd2b1ce481666c4caba00edc71c561a/witawapu.pdfIn PDF document text
- http://instant-image.net/UserFiles/Site/File/60305297777.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098921308298---jasubesixunemoruz.pdfIn PDF document text
- https://dalnoboy.com/data/filestorage/upload/files/57181874661.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/0bdd82badf03133fe5a92fc7114926f9/25852577076.pdfIn PDF document text
- http://zge-led.com/luodan/images/userfiles/file/mixali.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609839ea540f5---jogala.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/20b25d75b9bfdb38398744b359dde248/gejirekejelezudebafadusa.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/28510307954.pdfIn PDF document text
- http://geometramaurotozzi.it/userfiles/files/56937603003.pdfIn PDF document text
- http://megalabsrl.it/userfiles/files/vasuxitifogaki.pdfIn PDF document text
- http://adamslakeband.org/userfiles/file/46798329356.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=difference+between+first+order+and+second+order+differential+equationsPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ee65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE65 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010677.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10677 | 16992 bytes |
SHA-256: 0f4d8979fd16f1da1a58754b01df84a7134ac8c9b6bf0298094708a7dac6e13d |
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