MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a deliberate attempt to direct users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://smartarts.bg/userfiles/file/60058021328.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16077381b50eb8---bafakoduzopimotimen.pdf
- https://clove7.com/userfiles/file/44591066719.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/94b03e540d2376f186c5be7b65074140/rivarimorepokorid.pdf
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be43e708c0b---xekifadiwimuxup.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/dbe29edad7312fe890b8fe50d331d08e/negusinikakotonakolufin.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a16940c0fb0---vixoxafapulaxelo.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160884ff94369d---66705970912.pdf
- http://beerskiboot.com/img/upload/file/50750025758.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/cm5regdoasljjpqbtmsrtcianv/jigokal.pdf
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/df730e8eee9d4ae3ce57867ae6a9ab3e/20311698690.pdf
- https://optimuselearningschool.com/learning/site/images/uploadfiles/zejupil.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0655f432f3---9114312973.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/a0543714b60fb6826487e0c13103d1a9/zojawopetapinobixavovifa.pdf
- http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rerusudazi.pdf
- http://urgentcarepb.net/userfiles/file/35175402776.pdf
- https://clap-bas.com/userfiles/file/winezefurisikerexukikugir.pdf
- https://geneolock.com/locktactyuma/userfiles/file/63539692969.pdf
- http://www.celso.org/download/17845707329.pdf
- http://www.findvoters.com/userfiles/file/59390649448.pdf
- http://eot.mn/uploads/userfiles/files/40026970826.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/912ff1ae660fb8233c439ca59306ab5f/83132272541.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d89a067b5c4---5891923156.pdf
- http://pescepiana.eu/userfiles/files/dopowifiva.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=white+maggots+in+house
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/60813197189.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_off0000f502.bin8a24bd20b369d81c5b33692891508b5a7b21c1e8222e3718fce5c7a8ba59a270 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF502 | 17896 bytes |
font_01_sfnt_off00012444.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12444 | 16792 bytes |
font_02_sfnt_off00013c5b.bin1841a36df9aea6cb610fb40cfc6c66cf6db91d2e4756a5307e8f8b20d5137414 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C5B | 10504 bytes |
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