MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document exhibits characteristics of a phishing lure, employing a link farm strategy to direct users to potentially compromised websites. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick users into believing they need a password to access an archive, which likely contains a malicious payload. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://cructi.ru/uplcv?utm_term=anticipatory+stress+examples
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/99668675187.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/e8115e29575ebe4827a7ec74346b8652/golaxib.pdf
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37d2a2c5ad---bubewizoreseralarolota.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/08b7be9f9c9f27424a68550ca4de6e10/bofebinadosovegosotovil.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab63dd649d2---33025232132.pdf
- http://vralumni.com/clients/7/71/71e0d721b250bdad3664bf54e70089ab/File/80233546182.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7377d8251---bepon.pdf
- http://star-transform-moscow.ru/uimg/files/41565112476.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/65b9ac38d2978bd0363fdb941fb86bcd/38056402433.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/8ff02acf766ad254e64028e35471d58b/zuxomigimororexape.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7f2ed93fc---vakerijigigafazesig.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bde766d5f15---71011386137.pdf
- http://www.darvidproperty.com/news/file/lexivoneb.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/046e6359423c6933eab5622637d0a39e/17905697054.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856c5647685---pebibesewanugapidugut.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db42072db12---pewusut.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/a9ccbcb53bbc22a932a9bd1b81454a30/61786319662.pdf
- https://mokhalasati.com/userfiles/files/gusagajoderexujubur.pdf
- http://fitviewer.biz/files/file/bejizugov.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf80ad14c8---93728488049.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/c0d211f013109e47562a1562aa846ecc/mimogonuluzegebajewedona.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/2028f044176c2a3e9d9344e1bacef6de/87638614774.pdf
- https://aedwea.com/upload/foto/mezosevejobozovoxube.pdf
- http://szentdorottyapatika.hu/files/58124409615.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_off0000f671.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF671 | 16792 bytes |
font_01_sfnt_off00010e83.bina3fe6fb87246095e12ae596d38bf110b0445e5a410179f547ab3ead347791d8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E83 | 17004 bytes |
font_02_sfnt_off00013a9a.binff43e126a9093f0cfcdad1f852fd7891c77abee3e41c3742b3958bda31b2fda6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A9A | 10732 bytes |
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