MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm hosted on compromised WordPress sites, suggesting a lure to download further malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely provides instructions to decrypt a password-protected archive, a common tactic to bypass gateway scanning. ClamAV detection and ML classification confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f5bd5e22178---50727441013.pdf In PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609135294e563---95546233190.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160776efbf3a41---zekinupogatake.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/dcfnlk3j1ro6drbthb4ai6353e/641596524.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/0b32a64e3337fb85e1869856c167f367/76130284111.pdfIn PDF document text
- http://csc0351.com/userfiles/file/20210628190102_ffd5yg.pdfIn PDF document text
- http://olympicburger1988.com/uploads/files/lovavepufasoredo.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922e05ba4ac---97944417046.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091965c629f6---98289868636.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a44ef3dc425.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dc5ac8a5a50---lofutugijitidaxakevipo.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/60801285244.pdfIn PDF document text
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fac5ab8675---91886327763.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/s3v895te3qd46clumcpfkkpqfo/zanerera.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0d92a1a03---kofujigazikifenas.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/75608515823.pdfIn PDF document text
- https://artlabjo.com/userfiles/file/rumikopurolivofugododa.pdfIn PDF document text
- http://goodwill.as/userfiles/file/pogitufanesurovusisav.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/7d734f565cf625bd4bfd80120372514f/sujivote.pdfIn PDF document text
- https://ancoraeducacion.com/images/47269796692.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8bd028bced---rijajapivobaxoxakupigojif.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/pukozawusiwad.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070146344aba---gumevapeluf.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210629120344.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=movavi+video+editor+plus+2021+clave+de+activacion+gratisPDF 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_off0000f1ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AC | 11140 bytes |
SHA-256: 87fb411c54ef464c9da190f9a98aa270ad8e7b34a07826faf50b60bb8aeb5b8e |
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font_01_sfnt_off00010bb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123C9 | 17688 bytes |
SHA-256: a723a77d85c135bc8ef81e2efaa5f9d008952e9778f573d29d590a91ebed091a |
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