MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, pointing to multiple compromised WordPress sites and disposable hosting domains. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to deceive users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae000ddf103---kosazagoxisevifedarasepi.pdf In PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/kudipojavuvudala.pdfIn PDF document text
- https://datajournonepal.org/files/tagaruzadigowafunavobik.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ee2b974dfb---powudukibuxasawazarazej.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608360565f07b---vilawelodos.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/10bb1135e65ab1c68973895b7163f6d5/xiwanevuz.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/f6bhm34rv2ubjr1hrb5vbr9591/77826643691.pdfIn PDF document text
- https://www.bosingels.nl/ckfinder/userfiles/files/vizorewamunobit.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/pijoma.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160da6b1743751---pijujasiju.pdfIn PDF document text
- http://natproperty.com/userfiles/files/75447005243.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/24915668972.pdfIn PDF document text
- https://shibbirs.com/media/files/mibumawer.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/0f4f87c5a77c4cd46217ba12a4191490/69432873019.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/f89b05e82cfe20c96c0d916679b2ffe6/46495023240.pdfIn PDF document text
- https://toskov-yordanov.com/userfiles/file/71813069463.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/pobevasirezito.pdfIn PDF document text
- http://clubcrudupsonoma.com/clients/1/14/14cf715f5cd05ddba197ceaa5938d7d5/File/79789269662.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/5902e9fee09c2ecc3a09183d74cbf207/82767205501.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce21e44e01---girilatizabixo.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/ddce567bd5d88aa8f6ceb88bf1f04c58/nuvixiluvegelimesot.pdfIn PDF document text
- http://hongquangled.com/upload/files/5143963322.pdfIn PDF document text
- http://netflor.pl/upload/File/14772838353.pdfIn PDF document text
- http://uptindia.com/newsimages/file///73237388854.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160860af9400da---lijonakumegositovomoweki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=map+francaise+fs19+xbox+onePDF 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_off0000f474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF474 | 17456 bytes |
SHA-256: 6ad37aafdd4d7369db3e39d483e8d4de8ab9c73c4f38c809ad5f87901231b71c |
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font_01_sfnt_off0001215f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1215F | 10784 bytes |
SHA-256: 4c733159cddc31ea6eb70877b1b2b4e66b223478c6e6ee0d02922f2f94e2c019 |
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font_02_sfnt_off00013a3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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