MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of numerous unknown URLs indicates a broad distribution effort, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccea76c5f6---tomoni.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606c87a492dfb---54082777560.pdf
- http://learnazia.com/fck/imagesfile/56360361459.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/7868a8718aaea6fee94811a4abc9d313/57450910250.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607343669ad33---73983095933.pdf
- http://shinies.ru/img/lib/file/75928278038.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/238064e4318539e1d86a2f7e9150b7b6/kigonakojugob.pdf
- http://tuanayapim.com/rsm/files/wuwux.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/chlmn2emmrho57f4htfnvqeds3/74004611106.pdf
- http://psychologkmalinowska.pl/ckfinder/userfiles/files/98653816893.pdf
- http://leebyunghun.org/new/upload/board/files/nazikofudojerezipinipil.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fb7f076f9d---wekuzefa.pdf
- http://srividyaastrology.com/userfiles/file/xoxolumoj.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501072138364129.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16093061ead78b---remukibobifewuwojoladev.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/pr3urpotk0529an1k1j52niref/tifevuwozogivebes.pdf
- http://onlineticketreview.com/images/file/xofezevikujod.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/293b9699b131a9364bfd2ec3616961f9/raxuragidut.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/b808662aa1e41f3869712dc53ac8e439/teboximav.pdf
- http://dissanna.com/temp/fckeditor/file/morakoronilobotekijabipev.pdf
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/88c1345ed41e248bb697da2858542578/lapenudori.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/5c3bc58621ea4d5e03f880a4b1707b27/rilafepevejerakegik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=parental+leave+letter+to+employee
- 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_off0000f723.bin186059778c76fc1fe01037b1a0f86b6e945dbf087239fef40daf18bf6f991a86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF723 | 17944 bytes |
font_01_sfnt_off0001265c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265C | 16792 bytes |
font_02_sfnt_off00013e73.bin775ff139eec633a7d85d4c6747447a4e91ae1fa8d1982ed2ad3f3b7e72f0b213 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E73 | 10336 bytes |
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