MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains numerous links to external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of distributing malware or phishing lures through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://huntic.ru/uplcv?utm_term=ibis+paint+x+black+mod+apk
- http://spzpoz-zdunskawola.pl/upload/file/60858430783.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161321db7c36ab---gubiletikefawuxotik.pdf
- http://star-transform-moscow.ru/uimg/files/70895795253.pdf
- http://mdknoodles.co/uploads/files/16781717642.pdf
- http://bocghedanang.com/media/ftp/file/lumodaxonugodarerasowin.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161353b0ec847c---mudireruzogunapes.pdf
- http://kaus21.com/userData/board/file/44203849894.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408bf05268c---87674534077.pdf
- https://whereestar.com/marinarubicon/admin/file/dilusekiratu.pdf
- https://rjpexport.com/files/34841697233.pdf
- https://highrise.pl/file/25987295493.pdf
- http://hankyunget.net/userData/board/file/88954608627.pdf
- https://zagi.hr/files/wawaleludewij.pdf
- http://yongqingtech.com/d/files/xelewipogozapajapalusuf.pdf
- http://mygiftltd.com/userfiles/file/13670670228.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/h3f07n5ctd2arglhm7ac5bn8u0/22552625573.pdf
- http://we2meeting.com/ckfinder/userfiles/publics/files/41564631632.pdf
- https://tatsolarlight.com/uploads/files/lavumasu.pdf
- https://vanvoorst.info/uploaded/file/3627677797.pdf
- https://bomando.bomsolar.com/uploadfiles/files/59250680825.pdf
- http://anm-av.de/uploads/files/69415113028.pdf
- http://marcelponjee.nl/ponjeefiles/file/fabagod.pdf
- http://mptech.vn/ckfinder/userfiles/files/16852934428.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/5g40fqeof30ghr0ovgqrt52bg0/42932927484.pdf
- https://unimedbelem.com.br/painel_template/assets/global/plugins/ckfinder/userfilesfiles/levefoza.pdf
- 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_off0000d4c5.bin73d6659624e91c58f6a873a0e64a79b38828bf6c32903740ea3a96668ee5517b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C5 | 10728 bytes |
font_01_sfnt_off0000ed35.bin92c7672a9ea35067dae2083cb61855ed2939697d46ba443e29ffde3884dbbdd8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 17316 bytes |
font_02_sfnt_off000119ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119ED | 16792 bytes |
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