MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDFs. This suggests a phishing campaign designed to lead users through a chain of malicious documents. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9904
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://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6958e8f94f---95086491544.pdf In PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/dd3db2eaf3319814ae0818f1a4874935/dojezotedakepuzab.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/i2bckgi5p0518033c130sppl83/5968665649.pdfIn PDF document text
- https://asiajitu.com/contents//files/toxejaxawepuxalonudezovok.pdfIn PDF document text
- http://rustproofingottawa.com/userfiles/file/texesalitotovevor.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdba029997---61989129257.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb12cd8f0c2---suxomal.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/34892061667.pdfIn PDF document text
- http://rjbmachinery.com/d/files/58020328538.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/f74fa67512b38f7ed16a7469cc70639b/fopelupol.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/9f1f93597543d7da5821eff2f7f1283a/rowatumafuzet.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/7b74a69df333c821ca4d1ea795faaf5b/pegobuluvuxu.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/6f3b0309a9mf1sq4mg1qe7m7t5/ginonoxa.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/f4f9a52f72a7f94dd64027439a20a81d/tetoxatefu.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ac14dd1d7---96541167492.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fde42d549---3125648960.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4d2e5e53568ebed678bfbaeab3c4932a/41643067689.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a4f9ae44b799a57bc6af687eca741e31/63764660362.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d949f6747ce---zuvesagonewusopejob.pdfIn PDF document text
- https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/3394d87ed7e1d4e32d928513008aa88b/sibafibaxokisunesaguwakug.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/20308336426.pdfIn PDF document text
- https://o2opr.co/userfiles/files/zabubidapipijekowukenog.pdfIn PDF document text
- http://bestbuyfromindia.com/userfiles/file/fakitiruv.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6fd59d2c0ae8e7b2a967a7bee39acaf9/20868189253.pdfIn PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/759cce873e3852fa1ba398a52497584f/kaxovilukuzamagotero.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=end+expiratory+wheeze+causesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00024372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24372 | 11012 bytes |
SHA-256: 06b9d8385937a02cd97f5b1a49faef3a67554834e70a4aae1da776d7e0e395a5 |
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font_01_sfnt_off00025d1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25D1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0002752c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2752C | 20556 bytes |
SHA-256: 342e602a1c9338622af62af5de5c54a756151923001b0acbab130f8019f71d4d |
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