MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded links, many of which point to compromised WordPress uploads or disposable hosting, suggesting a phishing or credential harvesting campaign. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, as these often lead to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://drafthe.ru/uplcv?utm_term=sebi+grade+a+result+2018+pdf PDF link annotation
- http://brucemaymemorialgolftournament.com/clients/d/d2/d245e0393a5bbb16d67b82808c007790/File/bolepolemirejivugod.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/1d5bf19c9ff7e2c036c8919bf518c8b1/favakaradobodewuxidon.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/63164752289.pdfIn PDF document text
- http://nguyenquangcomputer.com/upload/ck/files/76821530782.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9480c4a3f---58553195245.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/zugepibapalekojuw.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/womigud.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/pozufuruxada.pdfIn PDF document text
- http://chhsclassof70.com/clients/1/1f/1f6d1b94cf555b90b9f410dfa82aea5f/File/relatufavugowibawiniwezow.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/c7fff9a2f5a632789436a287690b6059/65125239142.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/nobejofawisoxapesuzatofo.pdfIn PDF document text
- http://akademia-jedenastka.pl/zdjecia/fck/file/60310355685.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/pefafigibarimunojoxiw.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/zuradefa.pdfIn PDF document text
- http://first-group.kr/ckupload/files/degisatunejosixilikozirid.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/94688344229.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/28591906821.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/c6b05e67011dcd23bea34c39873b8fd7/22818972338.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4a48e9241---fugekemowajolawafa.pdfIn PDF document text
- http://jfhcoaching.com/userfiles/files/sixizuwunorofaxozamuwufu.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e82bfaf12d---49840578095.pdfIn PDF document text
- http://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/totufejomeki.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0f6911a771---92857726695.pdfIn PDF document text
- http://novichiha.ru/pic/file/32985350472.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_off0000d7d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFE9 | 11268 bytes |
SHA-256: c4dee89f8661d94da0136221dd86cbf71e565b19d90dec5bc16de6c26994c349 |
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font_02_sfnt_off00010a24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A24 | 18536 bytes |
SHA-256: 9491fc7550b07ba19cf4df9f07a39702f16076945cc85a50fe9ecf6a66ea0f58 |
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