MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, presenting multiple URLs that point to other PDF files hosted on compromised websites, likely as part of a phishing or malware distribution scheme. The presence of numerous links to potentially compromised CMS upload directories suggests an attempt to leverage these sites for hosting malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/53f3610f88d1ed441bc717c00cc1753b/sopemuwowajarupe.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090df5c10c15---rixefobiraduvevu.pdf
- http://matsonconstruction.net/userfiles/file/vixak.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/325905bd2939b5e0d4dd20d27fecd551/27643646667.pdf
- http://elcampoeco.org/FCKeditor/file/84987234338.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16089137672f53---47457097391.pdf
- http://chi-kara.net/userfiles/file/20389911476.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/psrto2segpthdu31edhmrfl4a4/kolevapolaboxap.pdf
- http://fusheng-vietnam.vn/admin/webroot/upload/image/files/mefib.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffe3c3e64f---rajaboren.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2eb13cbc3f---51513912835.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/6qa9enb7v9dtkuqeoun31rivv7/natiwenigusoremoj.pdf
- http://fullcolorspandoeken.nl/userfiles/file/kilam.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdce0b02db7---66258369460.pdf
- https://bojovicsirogojno.com//files/totijukamiredegulel.pdf
- https://babamore.com/upload/ckfinder_temp/files/20210612080927.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/p14fd9vo2c5dj64slumdfr8ne6/1154404976.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1f51d7f0bf---vewufifomapivinazuve.pdf
- https://examonline.org/examonline/userfiles/file/31443506181.pdf
- http://china-miyaco.com/img/file/2021621221351.pdf
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/59254340717.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/0cc04e23f9638f6196d3967202b995db/tigixukum.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/h5l7cm9cdiaa1htq8fo30elkf6/ronotazesutanokexewaxixo.pdf
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/s5l73artabmc8agestmohn3eh5/62289541173.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=translate+direct+to+indirect+speech
- 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_off00012b27.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B27 | 16792 bytes |
font_01_sfnt_off00014339.binf3b0dd04d9287acb7f9589dda497edceb849c695ba69bdd4604006555b0ba4cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14339 | 26584 bytes |
font_02_sfnt_off0001826a.binc14bf7eceb83c3fd071dc9d62387ca2489f9e0dd46aaf6afa0034771a838c6f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1826A | 10576 bytes |
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