MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed for SEO manipulation or to distribute further malware. The document body is heavily obfuscated and unreadable, providing no direct user-facing content, but the presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics confirms the link farm nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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://babywagen24.de/userfiles/file/mojaxuj.pdf In PDF document text
- http://webursitet.org/Files/file/76778227296.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/0fcfce24546912acb2a66368ba7904ad/79458110096.pdfIn PDF document text
- http://haiqi-machine.com/d/files/rotujegamoruwalavadole.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/9e4d8e147b530ad74ebd3c1a3e8bbcfc/jowunegetimepofere.pdfIn PDF document text
- https://ivanamihic.com//files/nuzegosebifo.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160cb049b0f840---zudabelizi.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b3b5438d270a0aa7c2db72d2ba8fc897/rolonasapi.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/vrjaqrn0mm4hdcacl8lt7u0fbb/40357155702.pdfIn PDF document text
- http://tw-sincere.com/upfiles/editor/files/34177744284.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/fb0a0c7b09ad9cf0afc66806a348eaed/49599638002.pdfIn PDF document text
- https://stijsr.com/userfiles/file/44742481490.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/30bf4956206e3c51d93774fac4a4643e/xavowujigokoxizukapigej.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dc09510d9ce---pozisatexabumaba.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/semivudowaxu.pdfIn PDF document text
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/1jl3jtqdcc51774cv92elu4m98/xoweguwakemorewos.pdfIn PDF document text
- https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16089136b9f530---55145536880.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/8859e7668c60568539c815dd0f8a6283/35266096514.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16075bca6ec129---17095461023.pdfIn PDF document text
- http://karmand24.ir/basefile/ehotel724ir/files/kizinizakafur.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8a7012c83---devokamofanetigafovoze.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/84d2ac2b99cb91e3b6ef1c71d9cdeb54/zopimonajowesufijar.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949e82c9ead---58899495608.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=son+is+a+tributary+ofPDF 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_off00010166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10166 | 17372 bytes |
SHA-256: e8cbd8d391b962bae33a5b325ba09d47aa074db5100b5d8c8285286e540de48b |
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font_01_sfnt_off00012ef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14709 | 10460 bytes |
SHA-256: faa43b69730f344c2c891e2af02e980a5b20bdcce08384dbfeee31565b677e8e |
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