MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, with ClamAV detecting it as Pdf.Phishing.Trojan. The file functions as a link farm, containing numerous embedded URLs that point to compromised websites. These sites likely host further malicious content or phishing pages, indicating a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b16f145191c---83012307514.pdf
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/74d22d7b4dad77a406f8946ca602d127/nigejipozunijajoxanovo.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160757cb2d8171---3547739475.pdf
- http://chiari-web.com/ckfinder/optimist/files/voxiru.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c88694a364a---45949175397.pdf
- https://chrmglobal.com/userfiles/file/64480676095.pdf
- https://groupunsur2.com/contents//files/sisedagekozopojufibotok.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160c23d4c9c64c---42606998190.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cd94bbd4021b03aab7691dad57097c01/75489522477.pdf
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085258ad036b---sivulifegavisozefijipa.pdf
- http://softwarefactory.nl/images/file/bujokur.pdf
- http://baigeleather.com/userfiles/file/49140637781.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/2a1f04bdfe9496e2a26c7998f0835893/mudalavesowibuw.pdf
- https://ubk-sad.de/azubi/userfiles/files/gufubi.pdf
- http://55thocscompany.com/clients/62662/File/xurobosenivakubivuket.pdf
- http://headrepublic.pl/images/files/ridopomulod.pdf
- http://teenaramainc.org/clients/875997/File/lolajazinepuzutovez.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccba5c658b---81210020119.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/8d9faf47653c9f4569c563f5c91efb84/39813721132.pdf
- http://cuatro-pr.org/sites/default/files/file/8804941799.pdf
- http://say-international.eu/userfiles/file/tupakigofenuvaxepek.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=fnaf+2+2.0+1+apk+mod
- 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_off0000e5a3.bin3d0bc69b1a23afa2d80f43a7d69238e97d5566549b2a1228196aebcfd8e97878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A3 | 10452 bytes |
font_01_sfnt_off0000fd58.bincd53c0b466708a1d6e02ca791d2d88b87be304ca1a0c0cbd0f690524323f94b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD58 | 17184 bytes |
font_02_sfnt_off00012a52.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A52 | 16792 bytes |
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