MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The sample was identified as malicious by ClamAV and an ML classifier. Heuristics indicate it is a link farm pointing to compromised CMS uploads and uses an advance-fee scam lure, typical of phishing documents. The document body is heavily obfuscated and unreadable, but the heuristics strongly suggest a fraudulent scheme involving fake prizes or funds requiring delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609afb131dff9---ketogamuz.pdf
- http://sghscsjamarai.org/guruhargobind/userfiles/file/63846590761.pdf
- https://nestaerospace.com/uploads/file/81352937910.pdf
- https://eqonetech.com/upload/userfiles/files/nades.pdf
- http://morethancars.nl/uploads/edytor/file/85209230367.pdf
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075add606a17---76075194299.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8de531ac9f---77322097034.pdf
- http://www.derbysignandgraphics.com/uploads/file/28261396114.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2544e6cd51---vewexilefirezewunoletikis.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6f90cbb1c---robamasalole.pdf
- https://33mobility.net/uploads/files/pumolebezuguxopenuwu.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/jrkd869g6g6ocvu6fp2ffl8is2/72851808500.pdf
- http://mobydick-band.de/fckdata/file/5454796199.pdf
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608196759e2fa---wumivosufokivoribusalu.pdf
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/lclucb40ah5fag3cu4pl298v04/4541432416.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae15ab653cf---jinuzexinapubetaji.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160baf8f41d0f1---69396082769.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/ebb604vrcimeaoa4l3gb4da9ql/giledusatumid.pdf
- http://cuatudongsaigon.vn/uploads/files/bujakefuregi.pdf
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/e4028737c2ecb3b0236998105632abc2/44530691193.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/c238b6ea05e994568978efedca8ad2dd/72534987956.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081b83a247bb---59078567702.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/bp8jst5g1o4acul3ktmdcrcsmr/52603867439.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ee3050536682b8dc9fb39f0dbe832d28/54788408880.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1172492f2---97629693780.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d08fd0c87d---18661951981.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=st+anne+and+st+agnes
- 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_off0000ef4e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4E | 16792 bytes |
font_01_sfnt_off00010765.bin6d76c05c423b834dc316b940afe32d66810a1c3b389fb7acc27855cd62cc195c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10765 | 10140 bytes |
font_02_sfnt_off00011df3.binb331b3bd8174558a52d80104eedb43e0d77b2414b60c48dc30245baf0c15b761 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF3 | 18132 bytes |
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