MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards a phishing attempt disguised as a staff absence form.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://wastran.ru/uplcv?utm_term=staff+absence+form+template PDF link annotation
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b04634848e---votasofuzebonururuwazinap.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/22734383863.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084f5afe13d1---lewoxeratewener.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/6avrap8ll15j131rtalfkl1780/mezelusosaniwasejumul.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/cf013c0a09bc8332a11537a9897a8f06/33577121752.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/jemukekalukosuvuno.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160772526e65a6---nazomogas.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/e77778f721ebe611735662b429672b48/46825546424.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/e4sbtm81lag5vc7chc1gp0ril3/xodubukalafawunamisaves.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16073e81b9d226---diviponul.pdfIn PDF document text
- https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/89ef26fb203ca0a6f5d20f00ede8fc6a/55462834354.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/t843u8nlv5o5vl5s62c1vvg16e/vibivufulijurezume.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/sfc3kir1e2qk62koqkrtep7oj5/sojutaxodasekokuzenoda.pdfIn PDF document text
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/ae314a786d0d986ad7ac6852a0f576ae/17138800725.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/2dcd2ddf38fede876ddcdac117abd995/bekut.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1BB | 5404 bytes |
SHA-256: c975989b7f4a1db4d47ed69a01e892938f9eac2cfb55cfe06227ec6136634589 |
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font_01_sfnt_off0000f403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF403 | 10076 bytes |
SHA-256: 74bca1bcddd8c9dfc53d43f1ff66738853fe978e9026f0cef9bf361d06f1c48b |
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