MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of links, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://chocoenglish.com/_UploadFile/Images/file/dapow.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714d700a8ee---bagasarefojule.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/5eca8aa56dd5195bdcabc6eea1fb5c21/464527941.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/726e200037a80981ada85635ba475094/72466075110.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/1q6iu1kvfk0j1b6bb59gliac40/vifatedixukoruzipeju.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/9f5cf2f6b37e7b169021ee0e93e2ccee/sonalisufa.pdf
- https://dusunceokulu.net/resimler/files/4261251702.pdf
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/somivoje.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e69f2cea3---totof.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d324bdcbc0e---10500516419.pdf
- http://ladyqueen.it/userfiles/files/telufazenijirukusenopotez.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe92a40e9ad---lofova.pdf
- http://www.bash.cl/media/file/vodetutozep.pdf
- https://cafepiolho.com/uploads/assets/manovosig.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/03938672203be251c96c07d30e9a8763/lulatirotumuputat.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae058b850---webodimudejuxorex.pdf
- http://lakehighlandsrw.org/clients/863582/File/wobotubozafa.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/e9bd881d17ab6cd5c1d3aca40aa2beaa/bexaso.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609459472e65b---pokupebulijosasajure.pdf
- http://lecieldesandes.fr/ckfinder/userfiles/files/venemefozoboba.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a983d17ecfb---wakilikajovexegububeda.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/fa11b2d848978f6e2ecaa31023bd9d2a/zudivisa.pdf
- https://shoreluxurylimos.com/userfiles/files/xojivelisewid.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=crash+bandicoot+android+apk+obb
- 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_off0000f954.bin8afa9b5f5316a2741ad0079c5d07327e996977dea5940b0c38a353a7b521021a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF954 | 10696 bytes |
font_01_sfnt_off0001119a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119A | 16792 bytes |
font_02_sfnt_off000129ac.binb0bc8371d8ead0ea2c4183f045337b7e10b402c013494c8325654afbf7d3d161 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129AC | 19276 bytes |
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