MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting it functions as a link farm to redirect users to malicious sites. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c6cb06a1351---74598726631.pdf
- http://calebdobe.com/clients/875189/File/22656457829.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/a9125d1c173cb0e2e7b39d21b01e5cfc/74810502303.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/f04d2e00c0cb6e5d721668be2503f547/21930904279.pdf
- https://lexcyberia.com/userfiles/files/feripilulijegum.pdf
- http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/fojolalenonelus.pdf
- http://sevenseahotel.com/uploads/images/files/begexa.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c656b62a875b241ed558b6da5179a199/midezokoxa.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bf24929f116---3083117998.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e387ec16fc---75343277468.pdf
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/bd1fcccbec14fa55d6c9b4020274f381/38967703871.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/u7llpihg136m9g3vd70udmrtv2/pebedogemiforafus.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/89e8343557da5a7d9b675815449b568d/buzok.pdf
- https://travelone.ae/userfiles/files/valeveto.pdf
- https://ahreco.com/uploads/news_file/23762386197.pdf
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/0129f098df328e5e2005826c6a6289d6/mujunisokusofixef.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8cb0a0dce5d89ec0b95bd81f13df4d4b/73102272393.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16070a92fb3b98---99994258199.pdf
- http://qtjdb.com/UploadFile/2021/06/17/file/20210617_075413_108.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608289c6943e8---76283686031.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/88911782781.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/bdi8vjea70o1iduhic6r5jb9cq/38542742158.pdf
- http://righetti-ticozzi.it/userfiles/files/kagafibunifobexurodojajuj.pdf
- https://dineflon.com//files/95289900090.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=earn+to+die+hacked+google+sites
- 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_off00013d15.bin4c0bc1b88f283896df007f0f0ea743f4ac342dcc800e764bbd5242477b375a14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D15 | 18516 bytes |
font_01_sfnt_off00016d33.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D33 | 16792 bytes |
font_02_sfnt_off0001854a.bin5dc40e5a27b6e638e5ade312cc2c08f8a37981ae98a07ed7d5040179f44021e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1854A | 10724 bytes |
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