MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated maliciousness. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The file's structure and the presence of external URIs indicate it's likely part of a phishing campaign or a distribution vector for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.6181
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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 https://crysiq.ru/uplcv?utm_term=jurnal+kasus+pencemaran+air+pdf PDF link annotation
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ff783a2644---60560381531.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/54361737143.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d67a570ae1---30914480847.pdfIn PDF document text
- http://andlupa.com/userfiles/file/33547250060.pdfIn PDF document text
- http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/8052812756.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/fac6259b93c94c1ea1f45f4c2d177454/koronadodokepuzit.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081adadc8050---30294090517.pdfIn PDF document text
- https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/1428367851347ba8c2ccbafad4c304b3/tobimo.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b403dcc5c8---10969297410.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609180844fb87---tupowokoxofidimuluna.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906af153703---ramiroporujixobokutoxozis.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/2b2c867e895ab8210956fd7b2587df72/70328358057.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/t6q0ebrjf3t1o8sr6o8sv6lqof/84751745063.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bfe960018cd---mijitogelemesukegav.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/37e1d90e51fa5cb5e57f11a6c1f662f4/3433166519.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/e10d753bd50dd61d6de1db99764199a9/28362972126.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/lh7524o6b4615ps8hhvlfvtkfo/xafeduxudimatedonasugima.pdfIn PDF document text
- http://gamax-motor.cz/data/dokumenty/92607278095.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/fodekobibapotenozolobu.pdfIn PDF document text
- https://lescourailleurs.com/upload/editor/file/vasinu.pdfIn PDF document text
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e15112e249---68395531281.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/dae391a331b2ea42da033a1738055c57/rowevijegozatalonedel.pdfIn 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_off0000dccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DE | 17180 bytes |
SHA-256: fb6e63312a90e60401513b413de20a1f769063973796c58e65d48642ea7f71f4 |
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font_02_sfnt_off0001215f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1215F | 10744 bytes |
SHA-256: 8391b500afa7421d7e9b219ea8bcc7979845c6639923aa0ef5527879eff3b396 |
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