MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to potentially compromised or disposable hosting. The presence of numerous links, including one hosted on a compromised CMS upload directory, suggests an attempt to direct users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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 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://pvhs1967.com/clients/a/aa/aa78cb05297cd93d8a9ab6bd1eb8a3c4/File/82642619880.pdf
- http://iproperty.ae/userfiles/file/tenezijigabatametenegew.pdf
- http://legalinet.eu/userfiles/files/21086765217.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ce7c4c1ec53---81803458669.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/udamr66appoa7kkt4mj4jpk60c/fuwasobekowedekegutulabo.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16085c0303b769---kunetudusa.pdf
- http://inspirationforexcellence.com/clients/66491/File/47769850604.pdf
- https://mmszke.hu/files/file/negiresub.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56a199d7d8---wugarazipakiwazitabitiju.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/1tajua38b81p0hhp2fpru06src/mibojimamew.pdf
- https://deniz-sogutma.org/img/userfiles/file/71248361762.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4dbb192df---buzulezijutomafalonuwa.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3c5081526---mofirumilukuvafagixovoli.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e60f8774a---nudetiterenajuwoxatuwe.pdf
- https://secolink.sk/userfiles/file/98616459558.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/f5b015a016ac4527e92bb782a0e1dd2b/mefak.pdf
- https://le27.fr/docs/file/wexajunu.pdf
- http://ekbdrive.ru/ckfinder/userfiles/files/51293123427.pdf
- http://cichanski.com/Upload/file/rirujomivoboxawonukufowo.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9e294e3f9---tofinakomesobivifi.pdf
- https://accidentmatters.com/ckfinder/userfiles/files/jaragajabujajisomajawin.pdf
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef63868536---35499055335.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084cd5c6d843---jekubovitafivowubatuzis.pdf
- http://alemotta.com/resources/original/file/67607200044.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/6jqmlk2a7p41e9eid1k7u2nqtj/54362796891.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=physical+and+chemical+changes+and+properties+worksheet
- 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_off0000d16c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16C | 16792 bytes |
font_01_sfnt_off0000e97e.binda101f1a12373740bde76ebdde14a81eedc6c677f1a16f1d8d3b5882dcaf38fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE97E | 16172 bytes |
font_02_sfnt_off00011327.binbc5449440e7ae5e910e1b1f83863c85b6d57d42ea1186a51848e432937513721 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11327 | 11252 bytes |
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