MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains a large number of embedded URLs, many of which point to disposable domains or compromised CMS upload directories, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to lure users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://esistore.be/userfiles/file/48737633515.pdf
- https://dalilak1.com/userfiles/file/51799691721.pdf
- https://ienter.bg/files/mivogonezubabi.pdf
- https://anakmeong.com/contents/files/sopakoxerosujatoz.pdf
- https://avflash.nl/upload/files/xonitikorovum.pdf
- https://www.bnbtravels.com/ckfinder/userfiles/files/nifidu.pdf
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/98355490810.pdf
- http://musorcentrum.hu/files/article/file/xisajiwijebewa.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613305f0a1cc8---9144869233.pdf
- https://viadagio.be/userfiles/file/68981812908.pdf
- http://morecoredesign.com/images/imageUps/files/4666711773.pdf
- http://xn-----6kcaheblih5ab0a6afqbzoqe.xn--p1ai/ckfinder/userfiles/files/23929418199.pdf
- http://cn-daomeng.com/upload/userfiles/files/a73ef7749f04a2974c22ead2cecfa908.pdf
- http://agrocare.hu/ckfinder/userfiles/files/11479966814.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613a754dae1f0---fifemu.pdf
- http://izumrud38.com/ckfinder/userfiles/files/15284187140.pdf
- http://ormansagszive.hu/upload/file/raxati.pdf
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/45951097352.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16133d138c82b7---rirazika.pdf
- https://bbox.ru/images/shared/file/4170528362.pdf
- https://eastmangroupllc.net/ckfinder/userfiles/files/vaden.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9a0569451---lefot.pdf
- http://brenno-tojestto.pl/userfiles/file/94353536222.pdf
- http://faw-asia.com/image/upload/files/8363621187.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/35931e6483f42b9a38cad3d9beb1d0b3/17739675778.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=payback+1+apk+download
- 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_off0000bee2.binf97429767ae7abb2a6bee8d6aaf6660fc60739d30e1c0462e606f4c755b3e548 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEE2 | 17264 bytes |
font_01_sfnt_off0000eb35.binff54af764fabdf1382631438e591c249c8e585ef718c514011fa741ce1b26158 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB35 | 10400 bytes |
font_02_sfnt_off000102bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BF | 16792 bytes |
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