MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised WordPress upload directories, suggesting it is part of a phishing or malware distribution campaign. The presence of multiple distinct hosts hosting similar PDF files indicates a coordinated effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e23b559405d---83762685353.pdf In PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1d8d81b8e---87290764794.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940e94be292---rededebonuxej.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/082205078571.pdfIn PDF document text
- http://teraval.cz/res/file/mugasade.pdfIn PDF document text
- https://loctra.net/userfiles/file/zesagotujidotovifademino.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c202aaf6ee---babireselataz.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608de1c7bd30b---48822930291.pdfIn PDF document text
- https://ltssinternational.com/res/wysiwyg/file/97780856723.pdfIn PDF document text
- http://evansmedia.ca/userfiles/file/61940458195.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/a5ac1568e694353ab1897a76fc1c7c62/jomasubapezoditog.pdfIn PDF document text
- http://sgpeo.pl/users//file/lovovewowonoba.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a38c08ef7b4---7258612152.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7d463d2a0---72082488226.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/f319b913a3e0d7d36c65ad574ac4835e/lujawox.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/kajipolepil.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608e18aa33faf---sefawov.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16070552fa089b---96445513767.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160e1bf044d670---66334872437.pdfIn PDF document text
- https://ruta.hu/ckfinder/userfiles/files/94004117016.pdfIn PDF document text
- https://angkortaxiservice.com/userfiles/file/67928574857.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/8721dea02154750f95df585f05798a68/nozatidodimajasupifad.pdfIn PDF document text
- https://wita.lt/images/files/pijewibusenanar.pdfIn PDF document text
- http://abroadster.com/files/12788934915.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=social+mobility+meaningPDF 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_off0000f4da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DA | 16388 bytes |
SHA-256: f5116819660523428dbba70083da5a71acc8d9cc982c59a39515ee2f132c8692 |
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font_01_sfnt_off00011f3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13756 | 10632 bytes |
SHA-256: 255e21a761d45a4f145559a44f0fede661a6110d44089b34433b17ce18826bd9 |
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