MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised WordPress upload directories, suggesting a tactic to host malicious content or redirect users to phishing sites. The presence of link farms on disposable hosting further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f9562b081---mupeminaxakitekugugip.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160964c3672660---48055202669.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ab73426d9---fodebemiwasawepibiv.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/5e4ad6d8e2352b5ff30a3a167511dde9/12624462927.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d422fc5d37---xemudepu.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160acd70428b75---83282856077.pdf
- https://resulgame.com/calisma2/files/uploads/nopajokuk.pdf
- https://mamo-tato.ro/userfiles/file/kopofalanilaxixeganexo.pdf
- http://vksraja.in/fckeditor/upload/file/pejilodatupazamelunen.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/72n8doga84pke9lnr28ga9ac7f/sosumaduteriwarutipalakiw.pdf
- https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/af11876e00d8aa70197f1feaa0fa5c4f/29125960751.pdf
- https://campermagazine.tv/public/file/18244375976.pdf
- https://12tiga.com/contents//files/26518107771.pdf
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160839d1736f90---61893233540.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ba0e71b9f---famureratexep.pdf
- https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/s035nv8sob7094aimcrnlfth9s/94113518838.pdf
- https://cytairtool.com/test/userfiles/file/20210618_df026.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16082fea8bb5c5---36707036566.pdf
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/a963199ad5094f6ad2e569aa828572a2/dozodaxorakutijaka.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/74dl0j3ms3mv14h930sd3lfssf/nazele.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+craft+an+eye+of+cthulhu
- 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_off0000e5db.bin6518b2f93e7374155579ee9bc60fc5d62ee12f20fcc9be916e4b5b93e94bcc21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DB | 10464 bytes |
font_01_sfnt_off0000fd95.binaa4eb69e383988566832e14a8533dcecc35b68bd475964838b681b6b3577d485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD95 | 17940 bytes |
font_02_sfnt_off00012cfd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CFD | 16792 bytes |
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