MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised websites, suggesting an attempt to host malicious content or redirect users to phishing sites. The presence of a "download button" heuristic further supports a lure-based attack pattern. ClamAV detection and ML classification strongly indicate malicious intent, likely to deliver a secondary payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609663dcaca44---57295212478.pdf
- https://tomas-music.com/contents//files/35554255201.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160993593c7c29---divevororamemujugadef.pdf
- https://ambulatorioveterinariosismondi.eu/file/lexuva.pdf
- http://lotusburbank.com/uploads/files/vurivunefikotax.pdf
- http://palenice.net/obrazky_clanky/file/rawaw.pdf
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sejule.pdf
- http://chonburi33.com/userfiles/file/pigudodanuf.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/dr2ck2r1tpoheohsk0jk8m25dh/nakusuto.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b56e474acdc---33482783641.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/6c9f61026e912f9dadb730e509b0554a/mafuwe.pdf
- http://fotomil.pl/ckfinder/userfiles/files/20142602723.pdf
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/zibufojiboxume.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/720j4ge11qh402jvn628pb9l86/lapukuvog.pdf
- http://tafgambiatours.com/userfiles/file/45196599839.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/bnbthoqgq3ldbu8a9572eild33/26449803889.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a361495d4---witilepalifiwazugo.pdf
- http://pampa.be/uploads/userfiles/files/nuliveveritazuzudumuno.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/161052dde80f6b---lazim.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c268cb46f75---fufesokobelakazuzo.pdf
- http://tienhasteel.com/app/webroot/upload/files/putobufavo.pdf
- http://gayaarchi.com/userfiles/file/20210518005411.pdf
- http://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bexupute.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=propresenter+6+download+for+windows+7
- 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_off0000de4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4E | 16792 bytes |
font_01_sfnt_off0000f660.bina68282138ef6d772bed03c7a6725c6b97dc0e7eb994626993bab1a1ca911e2f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF660 | 16180 bytes |
font_02_sfnt_off00012016.bin8f9944fd5eb1edf3e7ba8b59088c16356354c187ae0ad119d98ded18da1433ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12016 | 10796 bytes |
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