MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to PDFs hosted on compromised CMS upload directories, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bdfb75af1b9---6334477936.pdf
- http://peaktoppet.com/ck_imgs/files/22028843597.pdf
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/pceqbgotoe2kr42ipdjavibtvr/maboparo.pdf
- http://www.centralperdana.com/file/62464511662.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/mga8hjfe7n6s7f6s9igjob5gbt/22867144058.pdf
- http://pcccmiennam.com/media/ftp/file/44639713242.pdf
- http://temple.mo/userfiles/file/jagaje.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceab712b5e---87555409604.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/400390f59d583d5b85aee70817dcb431/lerudizaropakadewalefebos.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960f4ae00a2---43315211611.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607133d14a685---96666714302.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609157f75bbfc---62644750910.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6197b47008---61539548271.pdf
- https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607957643e063---99033284883.pdf
- http://orosweb.hu/ckfinder/userfiles/files/judesapekoweg.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609107f4de874---19167154792.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160745ee4ed9e8---8193727952.pdf
- http://faw-asia.com/image/upload/files/wumosu.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6ef234681---sowededezalokovak.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e075158a0---kapetejajugudipilodaw.pdf
- http://3xlove.com/uploadfile/file/nilixutatevedesekibimej.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074fa249d410---gotakulijogug.pdf
- https://baxsporthorses.nl/userfiles/file/96876955239.pdf
- http://jongauger.com/ckfinder/userfiles/files/jesokovedafef.pdf
- https://csodamalom.hu/files/files/pavavadufajatubusurik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=another+name+for+rosemary
- 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_off0000f00c.bin361a51c65d97ddda2727a2d363b34946b43d7fdb8cf947c47543999bd7720d33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00C | 16600 bytes |
font_01_sfnt_off00011b1a.bin7a50afdbb11a11dd5f45ba7ae720b6710469202f220d0bc20f6fb38569cf605d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B1A | 10436 bytes |
font_02_sfnt_off000132ad.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AD | 16792 bytes |
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