MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The presence of embedded JavaScript and numerous URLs, many pointing to compromised CMS uploads, indicates a malicious intent to redirect users to potentially harmful content or phishing pages. The ClamAV detection and ML classifier further support its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 7
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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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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 http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/87391250660a2927c2ca9d.pdf In PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/b48e34bbfd7462fe7300f0d9bc963526/nogajegugolewexurukovibo.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c66664f087---jironipesotedosimibak.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f21440c50b---bosubariwajabikalop.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3674cee454---11352138412.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/kedevimetodoxedeje.pdfIn PDF document text
- http://fonixkoncert.hu/upload/file/bovikixowixubokulorewar.pdfIn PDF document text
- http://www.dereformasenalicante.com/archivos/files/38931746901.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc56746d35---28903415428.pdfIn PDF document text
- http://baggiez.net/userfiles/file/54885151034.pdfIn PDF document text
- https://m-astar.com/UserFiles/files/sewuxagodizubufum.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160787090efab1---xafajozadepipaged.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/sewiresi.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73f3c8f879---67711219352.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/jewoxuvirotebapove.pdfIn PDF document text
- http://vitanova-cattery.com/upload/file/dudibalifolekerowoka.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/6fbc17a1e6db1bbb1e325970917134ad/59431339981.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/9a1670eda4eb65655657be15bb643560/59423417787.pdfIn PDF document text
- https://dcmheavyequipment.com/admin/images/file/62427160608.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/lokogeregariro.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607601180ae73---puniwizuduwasaw.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c44a8c664a9---kasipubijasigo.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608326a7c60c5---bawomomi.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/suseuc7jn3sdf0upl66317famn/fasuzuzozemiti.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=retrocalcaneal+bursitis+mayo+clinicPDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/7a7231b1ae265f77e465c1576fea4f06/73575954414.pdfIn PDF document text
- 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_off000104a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A5 | 18112 bytes |
SHA-256: a65628ea04910821b54c2b0c294879eadb49f36ac87f65d497bb89ed7683fb8c |
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font_01_sfnt_off000133c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133C2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014bd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BD9 | 10788 bytes |
SHA-256: cea3ef63c37584fd84c97a04e4e997ac16cfcfe9cd6942b4664840d1da59c664 |
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