MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious external websites, likely for phishing or further malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.8803
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 http://murzilka.biz/images/uploads/file/vofevejosodogibisok.pdf In PDF document text
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d65ba79ea2---duwopesowobol.pdfIn PDF document text
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/21aebd0fcbd1819837688e157a2a4084/mivilezituxuvugize.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/wakexuzekezawu.pdfIn PDF document text
- http://stamforgtechnologies.com/uploads/takawoduvazazizel.pdfIn PDF document text
- http://osoboebludo.com/ckfinder/userfiles/files/38971751933.pdfIn PDF document text
- http://banhangcongnghe.com/upload/FCK/file/mufuvetedadufusiromi.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/wosowo.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbc68d514b4---75544821262.pdfIn PDF document text
- https://bd-sokolovska.eu/userfiles/file/32694468117.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/noluxowinizasonakeki.pdfIn PDF document text
- http://nensi.si/upload/file/dozaresafapiwefe.pdfIn PDF document text
- http://drivingschool-brno.eu/files/96802205403.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202108191926269398.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02437717c4.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609dacfd3ecdd---sapozes.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/130314046861.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/hfs8k5n0p856mvmm4h79qfon0l/98938693587.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a298d7e1610---jixemijotenunumulonama.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/25369308026.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160f8067c9b50c---28554225178.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/vejuwilosumed.pdfIn PDF document text
- https://dragulf.no/files/file/meranurefinesa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=subsidized+federal+stafford+loan+interest+ratePDF link annotation
- 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_off0000d865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD865 | 10720 bytes |
SHA-256: 1737f23813ddbd685a823307087591845441b97ba67bc16de3be2436eef80717 |
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font_01_sfnt_off0000f122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF122 | 16620 bytes |
SHA-256: dea1948ca9d31ab1c8365c6175fc8128e6ad3c7056e782909274b5ccc4a806c4 |
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font_02_sfnt_off00011c7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C7D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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