MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites. These sites host PDF files, suggesting a phishing or malware distribution campaign. No scripts were extracted, but the PDF structure and embedded URIs point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f75a5a461---29624909242.pdf In PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/0df5755c9719cd44a4d6e6e3f75088aa/97956039649.pdfIn PDF document text
- https://censcakmu.org/board/file/files/89968057874.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b5206217c5d---nubone.pdfIn PDF document text
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a17a774fcb8---13020629404.pdfIn PDF document text
- http://agriturismocorteerbatici.it/userfiles/files/revobadejimez.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2dd6ae0e8---28550291628.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/db3806222a9b25c75e64535aa9be388a/kevuzujanawewenimenaluko.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160cd6ef552570---likukaroreral.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/23b0f067d0f7a0151a903a1dcc4b55e5/dilanidudivesi.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/13886738807.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b12cdbcf95f---jifitugujivupedowen.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/32427695105.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16079f228434e1---giwakepuweve.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a11432e35a9---nufuzapidunirumir.pdfIn PDF document text
- https://yalcinplayer.com/calisma2/files/uploads/renebelolabiluja.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608358392abce---71001412228.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/43404315495.pdfIn PDF document text
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/9c399d855f14828e4722d16a69dcd9cb/julaxedomosiro.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/a2n6g5tp96rs806h84t7m3mhca/93700371812.pdfIn PDF document text
- https://p1gtac.com/uploader/files/84450522773.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d1c96727a---gobukajiz.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/45a2246bce6bbf5fe6dbc7283a31259a/jaseduk.pdfIn PDF document text
- https://aplusadvance.com/naver_editor/data/file/merejuje.pdfIn PDF document text
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/8ooh7dh5u1ljj9sm3h46hu8uin/94028328319.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2154227f2---purub.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=examples+of+thinking+errorsPDF 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_off000109f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001220b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1220B | 17252 bytes |
SHA-256: afe5649c9401218c7faec2e85f16f5235edf236c18ea04bf523bb7c2861952b0 |
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font_02_sfnt_off00014eeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EEB | 10980 bytes |
SHA-256: 3562708923f8b455ca0099e1b262bf107c14c6a4de57241e5ae38e87fdb6cae4 |
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