MALICIOUS
132
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file contains embedded JavaScript, which is a common technique for executing malicious code within PDFs. It also functions as a link farm, directing users to multiple compromised or disposable hosting sites, indicating a phishing or malware distribution attempt. ClamAV detection further confirms its malicious nature as a phishing trojan.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2664
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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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://besteva.com/upload/files/larisilogop.pdf In PDF document text
- http://cesishotel.lv/res/wysiwyg/file/56285426301.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/jepupazijowujaw.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e1327e6a8ae924c203f0e0507a531331/polipobatep.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608748bd72fb3---pazojemazeruzefe.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a931a2d349---21161219740.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/xobuv.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607540fc31f1d---xumawiwavilumajazofupajok.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/vovodupatadivexajabew.pdfIn PDF document text
- https://mmrh.myagenda.cz/pictures/editor/files/lafekulif.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/9v8s7rgf4ofap3890gqfjcmmtu/ranezom.pdfIn PDF document text
- http://kaowei.tw/image/files/20210526_180956.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/cbv73f34b7qkup6k2i8at63tf6/74099098225.pdfIn PDF document text
- http://thetownsendfamily.net/clients/a/ab/ab79602242cca8f930cd52af13df1d51/File/jutapigoduzujo.pdfIn PDF document text
- http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/72509f0b4e773b0118ab566c50527d8d/binatizojofe.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/59185013355.pdfIn PDF document text
- http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/56931032790.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/37740506428.pdfIn PDF document text
- https://anup.bo/images/files/fagipebakaribivugolasex.pdfIn PDF document text
- https://samavetah.com/ckfinder/userfiles/files/68918280697.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611e3c7e09679---musibez.pdfIn PDF document text
- http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/43897814843.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/jgcu01ubv6m0vsq7enon1veekv/kidabiwewudurizole.pdfIn PDF document text
- http://wjcopy.com/upload/files/85773680192.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=words+associated+with+redPDF 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_off0001269b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1269B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013eb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EB2 | 10396 bytes |
SHA-256: 1863b87cb6e9b01a874bf340ac045b1007f8730101c6191e860e50b54c4d3fdf |
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