MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to various websites, many of which appear to be compromised CMS installations. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway security. While no scripts were directly extracted, the presence of multiple external links and the ClamAV detection suggest a phishing or trojan delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://examonline.org/examonline/userfiles/file/93758195008.pdf
- https://opsclown.it/ckfinder/userfiles/files/zuwejenavut.pdf
- http://banghaija.com/userfiles/file/70678885836.pdf
- https://o2opr.co/userfiles/files/71939402013.pdf
- http://juliesfundforkids.com/clients/d/d6/d6f17a7a4e9d342a12f8f8eeddb80b2d/File/loxudizoseninabimuzum.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1c5b43158---16400535478.pdf
- https://hoakhanh.vn/uploads/image/files/20554251609.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5278dd2d62---wesajageruxodozafiwowi.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/n11h6erij536qtttvuarb6ifu7/kuwezogixajad.pdf
- http://pettwayfamilyreunion.com/clients/39389/File/wamalorikoretopof.pdf
- http://asckhn.com/acskhn/userfiles/file/96057387378.pdf
- http://clearspace-design.com/CKEdit/upload/files/laxajosa.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac43284cf1d---53484728939.pdf
- https://comobrew.com/newsite/images/user_uploads/file/88598285461.pdf
- http://cheers-gifts.com/userfiles/kijasokezibulupezosagexod.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e036fbc318b---90363724191.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/s130ut7dc87l774mvh7o0j02j7/sufozokuvot.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/upagtafbdbhl6nhulk49jvovl3/56786300163.pdf
- http://au-zlato.sk/upload/files/24593339567.pdf
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ecd3545e972---5318290490.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/60feff2c2a120ceaa21de0dc72ebb4f6/xekofopoxanevikofudalub.pdf
- https://producedepot.us/userfiles/files/33234090868.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=code+triche+pok%C3%A9mon+noir+2+%C3%A9mulateur
- 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_off0000f556.bin7789c0eb155f8e58c9b4c3ac609b18c6867c708e90079c4cce9fd0538155c451 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF556 | 20320 bytes |
font_01_sfnt_off00012973.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12973 | 16792 bytes |
font_02_sfnt_off0001418a.bin2a1f0e88ca5e8b805d0d7501acf9c4051e231cba058bbd2559807d2e6958e0fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1418A | 11108 bytes |
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