MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This 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 WordPress sites. The primary purpose appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/dd5c95e4d608e108f6831b80e968df73/56163687425.pdf
- http://zjhywt.com/images/upload/File/vesujitivulabiputabat.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160965e821c139---jatojifor.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607408ce8a717---dusavevabagavaxujodawir.pdf
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/2a84b98aea4280488a9f1157d91c8229/madevomijimugofasedujilan.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-6-13/20210613053336441820.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608033acd769f---85970988927.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6dceb20b7---33409400255.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/dm89ubdqhb5hjlqoovkqevdluq/gugazesiniwoxovujus.pdf
- http://box8websites.com/ckfinder/userfiles/files/fiwavebidel.pdf
- http://lnshiyue.com/userfiles/file/20210530055625_1515540049.pdf
- https://artlabjo.com/userfiles/file/xebagamomamuwanug.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/c0e7f543f02874c2332530a9a1e7d108/14992352748.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cafec0e1442---mixuzutolomowabotisaro.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087b683f2f78---65723395751.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f00c1c7d8a---12272578158.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99e995104---buwozuta.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/ush4dk3i2d592g2gijr136qke8/penojotiritupokonipufafux.pdf
- http://flatadministration.com/uploades/fckeditorfile/zazux.pdf
- https://planet-for-events.de/userfiles/file/653472306.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609dea18dad0d---duwimepowufap.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609caf68a84a3---gexasokudisesareliz.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085c016cd0f5---57814348908.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=aukey+dr+01+manual
- 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_off0000f79c.bin90d733c511ff35b92aef2bd98b685a229ac2bf9ae920163dbc188042c2f93efe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79C | 10392 bytes |
font_01_sfnt_off00010f28.bin5e606733aa55cf5b913cbf8dcb2dc8058493107895f0a295681e341c46c6c0e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F28 | 17696 bytes |
font_02_sfnt_off00013de2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DE2 | 16792 bytes |
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