MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, but the PDF structure and link farm behavior indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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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://guidesdugrandlarge.fr/images/import/file/giwemuwiki.pdf In PDF document text
- http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/33e00b2b784f92370d1513275565af5e/wufitisavofobum.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/7gtmd2cs7fjun4o64n74tlnaom/nozowuwojufovigonafakazi.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/7864ac57bc2682f0e9f093e0e1c2b847/74080944863.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/643518e35d479dc66191a6d5adfb593a/32292350401.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/06/files/210618063033.pdfIn PDF document text
- https://silverlabpupsforsale.com/userfiles/files/bonapubom.pdfIn PDF document text
- https://parfumzone.ro/files/file/56110017488.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/2fa164be2bfb2ed89ea95e21c7af6fec/xuzaxoz.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160730c9ad7b5d---paxejuzeruro.pdfIn PDF document text
- http://zubrcup.by/files/files/18207902490.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b7bf20b90eb83145a1041aa58803ad96/waforiwujuvum.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf95fce96f2---vunofotimuwanonikavujasa.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090a1790a84f---61215904835.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160953ec2a3aa2---12731690728.pdfIn PDF document text
- https://piuspvc.it/userfiles/file/71670545813.pdfIn PDF document text
- https://armandofalconi.net/userfiles/file/39029675107.pdfIn PDF document text
- http://abwingsjanaf.com/uploads/files/34262179745.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160b06d022b6d7---24810047863.pdfIn PDF document text
- http://weberstellen.ch/userfiles/file/lepotimakojavafoxogox.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/14526023906.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/jusulefixuwawe.pdfIn PDF document text
- https://digireg.si/upload/xateleminuxomajemumini.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705af508958---xumuvijowapo.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/napexa.pdfIn PDF document text
- http://ngor2-3.com/file_media/file_image/file/58030885644.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/994b0f68de4666caca413764b25df2df/63222400999.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=if+all+ice+melted+on+earth+sea+levelPDF 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_off0000e705.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE705 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1C | 10760 bytes |
SHA-256: 6df58412294d913b4868bdb43985d8142cfd6cb1102901bb4f88804b928a381b |
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font_02_sfnt_off000117a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117A5 | 17332 bytes |
SHA-256: 63e6300a0daf688c82d0b3791390e3cb86bf18a1e88d029041037ad5f666b65b |
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