MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress upload directories. These links are likely designed to redirect users to phishing sites or download further malware, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f16844d8c---48562082908.pdf
- http://yearbookplus.com/uploads/ckfinder/files/12551686574.pdf
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e6adea65971---tajik.pdf
- https://webornate.com/viking1/uploads/files/4328060844.pdf
- https://cometsecurity.in/admin/userfiles/file/57865379610.pdf
- http://dominoliberec.eu/images/file/files/rogijevebimesukepovoxizix.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609264f0386ec---xoxowekuvip.pdf
- http://vzwsportenmuziek.com/content_docs/32474926722.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608987ac6df31---ruxogoriv.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac10ee15736---dejava.pdf
- http://mwflower.com/upimagesfile///52734155113.pdf
- http://mfcwestenkwartier.nl/beta/userfiles/file/9160865727.pdf
- http://grgct.com/ckfinder/userfiles/files/tiradadetejizulapow.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc3e99b8280---33199457190.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/c83afb86c07a30002899cf0ea8cbd7c4/xizovomijejapewoze.pdf
- http://svaz-podnikani.cz/files/file/52149208727.pdf
- https://accesoriosalmayor.com/images/userfiles/file/351980241.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/801b702d47199315f4495c426bf138a3/deziwusenerem.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3bm4njsj3cu9956ffl05ehrm21/61218424884.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/ifo4qko424o0to90mlsvvh3493/sapumawo.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c259ed9f2cf---62104355984.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/8331f9c99e358b9301e6cdcba2b7d571/titigapijokutim.pdf
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1284798f238892564025d145b021609e/962590505.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/bfd50dea868dedda135ec1aecf8b0a8f/57822740248.pdf
- http://short-story.ru/upload/file/52601121013.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=to+cast+aspersions
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f02b.bin85ea752118e9ab624d7c9530b210cd8a0aae9e22be017d0ed3b3ae9b9da3b3da |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF02B | 17180 bytes |
font_01_sfnt_off00011ce2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE2 | 16792 bytes |
font_02_sfnt_off000134f9.bin2b72aecda4d7212f684137a70f8af14c4fae52eb7256f0f8cfdbe20b5fefa3d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134F9 | 10284 bytes |
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