MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this is a link farm designed to redirect users, with one URL specifically mentioning 'health app on android phones' as a search term. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://pistant.ru/uplcv?utm_term=health+app+on+android+phones PDF link annotation
- https://nhaccugiare24h.com/uploads/userfiles/file/murubugarinawekubaxifuv.pdfIn PDF document text
- http://eternalcycle.com/FCKFiles/file/viwivukiloliluzaxagoraxam.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/de7cba6256ef72480c9740dacea7ae76/78230028600.pdfIn PDF document text
- http://austria-ex.com/images/blog/file/zaluwowutonafigiwipoxuv.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/37925083842.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/55454586628.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd574db014---dumum.pdfIn PDF document text
- https://dreptultau.hotnews.md/upload/userfiles/files/24276434107.pdfIn PDF document text
- https://wecareprogram.org/images/file/50084186547.pdfIn PDF document text
- http://sourceit.ke/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/45137999106.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/8f74bce085295b8d7f8b5a3148deb571/rekiwixutusef.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/22925503401.pdfIn PDF document text
- http://fruitsad.pl/images/file/7818490384.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/zanegumimabojejevub.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/baxegemu.pdfIn PDF document text
- https://nmg.lv/img/uploads/files/vexuv.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/20466512243.pdfIn PDF document text
- http://canadianrockies.ca/files/file/xasenudamidiw.pdfIn PDF document text
- https://poganyvolgyi.hu/userfiles/file/jesuromom.pdfIn PDF document text
- https://limberhurstgallery.com/imageuploads/file/ludatetuvagexuvat.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/39226187980.pdfIn PDF document text
- https://ijp2.com/contents/files/16236327187.pdfIn PDF document text
- http://adice-area.com/pictures/files/97281138455.pdfIn PDF document text
- http://eiffelflowersquesnel.com/userfiles/file/bojebosomi.pdfIn PDF document text
- 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_off0000ddef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEF | 10480 bytes |
SHA-256: 051f607df71bec5b1cb051bbf383cb52f1c1b39f709ed46826765b33a34c4617 |
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font_01_sfnt_off0000f593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF593 | 16992 bytes |
SHA-256: 1e84fc471cbdbfc05832e8fd5908d3c7663f3e2c70607979e583fde02173a4ef |
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font_02_sfnt_off0001218d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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