MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as a link farm, with many distinct hosts and disposable hosting. The ML classifier and ClamAV also identified it as malicious, specifically a phishing trojan. The embedded URLs, such as http://makaifuins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150ea6b850c9---risenomuzega.pdf, likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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://1yunnan.com/ckfinder/userfiles/files/22050189927.pdf In PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/87406147386.pdfIn PDF document text
- http://skncn.com/u/files/vukol.pdfIn PDF document text
- http://temple.mo/userfiles/file/totusaritizusowuwexugi.pdfIn PDF document text
- https://activepymes.com/pub/file/jinelusuwiwij.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/58979858659.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/fuvebesedatuwilimuxovavif.pdfIn PDF document text
- https://energooptima.hu/upload/File/71107057316.pdfIn PDF document text
- https://vsevolozhsk.mebel18.com/uploads/files/97195689202.pdfIn PDF document text
- https://clubon.top/uploads/files/varogomoxajiputovafa.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/sawalutuwodunofut.pdfIn PDF document text
- http://www.koeru.eu/failid/file/nukifudel.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/c43ef852f2c426f92a3dc43548627621.pdfIn PDF document text
- http://wx-bm.cn/upload/ckimg/files/202109201149361081.pdfIn PDF document text
- http://idroter.org/userfiles/files/95454219377.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/deforuxaxonizakajumudu.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/gefuxoruxirodope.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161410ff146f51---62747216370.pdfIn PDF document text
- https://open-call.fr/uploaded/files/wagakewilizid.pdfIn PDF document text
- http://clinicaveterinariacene.com/userfiles/files/defazobojokija.pdfIn PDF document text
- http://spc1991.com/ckfinder/userfiles/files/62275714520.pdfIn PDF document text
- http://likebarcode.com/image/files/20210926_124848.pdfIn PDF document text
- http://onroerendgoedindex.nl/images/uploads/21899784934.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150ea6b850c9---risenomuzega.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/82440528064.pdfIn PDF document text
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614e9afeda95e---bananesuxatokapifunediki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=asphalt+8+mega+modPDF 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_off0000b1f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F5 | 10732 bytes |
SHA-256: f477f049bba65f495432b95c285885b65ef3b8ed18ecb48ec12c0363f661201c |
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font_01_sfnt_off0000ca84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA84 | 15320 bytes |
SHA-256: ff95df2fdd36639cd4442c7a547e18cb2d795f92a37291a8dcff523d96e1cba7 |
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font_02_sfnt_off0000f14c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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