MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Several heuristics point to the document being a link farm, with many URLs hosted on potentially compromised or disposable domains. The embedded URLs suggest an attempt to redirect users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://archism.ru/uplcv?utm_term=cpu+hp+redmi+note+9
- http://terredellamagnagrecia.com/userfiles/files/baboseworidowazozuwax.pdf
- http://traslochimontalto.it/userfiles/files/56463091312.pdf
- http://cosmik-kinoteatr.ru/sadm_files/82596853553.pdf
- http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/sovikagavedekozozo.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16139fd16aa78d---34660656159.pdf
- http://hoya889.com/upfile/files/20210904210147.pdf
- http://volareinmongolfiera.it/userfiles/files/7035266856.pdf
- https://masukpt1.com/contents/files/terobevanelevite.pdf
- http://travelport.pl/userfiles/file/jatij.pdf
- http://aibrpjoaae2.specialty-match.com/upload/files/tunojasativadimesap.pdf
- http://open.ua/uploads/ckeditor/files/99699806618.pdf
- http://lecostationery.com/files/file/11606102800.pdf
- https://angelsstaff.com/uploads/file/novaw.pdf
- http://artechq8.com/beta/uploads/files/16263454809.pdf
- https://5ky13lu3-1251.com/contents/files/vukibokuxugaw.pdf
- http://bookblog.kr/data/file/files/kadukadudetuju.pdf
- http://vekosgroup.ru/userfiles/file/92162308753.pdf
- http://gemculture.com/userfiles/file/nerixowenatofatubuviwi.pdf
- http://www.physedu.in/newsite/userfiles/files/biwanosuxefazolofefuxuzo.pdf
- http://fastcredit.ge/userfiles/file/76704841272.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/b5df76cfc9a31fa587261731cd6672e2/99771226529.pdf
- https://incense888.com/uploads/files/202109200351492535.pdf
- http://mercuresamuichaweng.com/admin/file/48098681787.pdf
- https://cauthinh.com/luutru/files/46169294863.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/53729d64c9aabbcfecb4be227ba231cc/nerojetare.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_off0000dfdf.binfcb2e340f08b105eb2642a16795ee0b7c58497e4b263ae073f6684c2c44a21b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFDF | 10580 bytes |
font_01_sfnt_off0000f7d1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D1 | 16792 bytes |
font_02_sfnt_off00010fe3.bin553062c4a5b83e5d522912908fe90f0e4553a9ec1116a82447ab52cf5655b488 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE3 | 18648 bytes |
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