MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' reinforces this assessment. No scripts were extracted, but the overall structure points to a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://catamma.ru/uplcv?utm_term=happy+friday+with+god+images PDF link annotation
- http://digitalpolicycouncil.org/imagenes/file/lemopelo.pdfIn PDF document text
- https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/f0f16757c834a226ed6f4da06c533369/dizefajasarikekuvu.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed3698cc8f---xeligizalaberedivigawetej.pdfIn PDF document text
- http://www.celso.org/download/5321522241.pdfIn PDF document text
- http://dorinhawear.com/admin/fckeditor/editor/filemanager/connectors/php/fckeditor/editor/filemanager/connectors/php/userfiles/file/vezirosorasixujoxi.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/zujasimabowubor.pdfIn PDF document text
- https://baigiangtoanhoc.com/upload/files/geduzuzuzulimumapiw.pdfIn PDF document text
- http://eakqshop.com/ckfinder/images_store/files/jakeb.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/3ikgvqfuq5pvql1q95e1cvgm46/96729450624.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/kte73ptseuk4152udh4n1n0bpd/tabudovuse.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/tafepivopaluvapaso.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0115b2d74---8614496272.pdfIn PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/jemeguz.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/11146611959.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607111edb04b3---daguxekekido.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7761d2bdb---jaxolexitudomuxujavinukez.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/jkfi8vb6d0vm1tn4i6pua8f0hg/28610191768.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/boforizezafatofatavoli.pdfIn PDF document text
- http://thuocnam.xyz/images/files/dogavobipa.pdfIn PDF document text
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083539171251---vebirabul.pdfIn PDF document text
- http://www.udelimpa.es/ckfinder/userfiles/files/vivufasivofabemewa.pdfIn PDF document text
- http://atol-res.pl/uploads/file/dupodutapobukasozodagag.pdfIn PDF document text
- http://omegapizza.net/uploads/files/72055935377.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd1c3274aa---bidapibezubijon.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_off0000e583.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE583 | 19716 bytes |
SHA-256: f4ff0a4542c9f9231c0163962fd143311e45de4d949916e3912679c8b32dccdc |
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font_01_sfnt_off000118f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001310a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1310A | 10988 bytes |
SHA-256: 0b005e3da325fb36d66b9c0f4baf09435a12b404f31b10ea09365b951ff5cc9e |
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