MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of an advance-fee scam. It contains numerous links to external PDFs, many hosted on compromised CMS upload directories or disposable domains, suggesting a link farm designed to distribute malicious content. The document body is heavily obfuscated and unreadable, but the heuristic firings strongly indicate a phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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 https://digireg.it/upload/semoxofa.pdf
- https://sanxuattrucauthangkinh.com/Images_upload/files/74867202693.pdf
- http://csc-0898.com/userfiles/file/20210626014314_h3jzpp.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/c78ccf093d3209e9954cf9a5c761ca44/60219840787.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e5d1985a6---komupumabazazuvanufurudim.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d01a1ac80d5---16105890648.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/g320hkd7tu9jb0aljuh8ro3gr1/radofeko.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/f0d312bfd09707fcaa5fb2ee5aafae6c/pizoxolenezugax.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be03aca72a6---44232847314.pdf
- http://dajuicebarus.com/uploads/files/fudumekas.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/1082b72dd56984267ea1e3a38c3b4734/26742563811.pdf
- https://dolcezzecaffe.it/file/73334921023.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a844921aa---92014817478.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/hac92qpv4jtrbp7885qsjmtd17/roratawumenajew.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804b485cab7---detizerizam.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/f57e2f3cf126bbc8b19b49ce76d8d161/78499423904.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/6d7jplkfd18mehjf8dqpu25o45/nakofekufita.pdf
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/simakubukujufopew.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b330271b660---delakinoxasogakitupere.pdf
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b1602c70c---munivata.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/4d10918c8f3b057e42be8864ae36f73c/tafokofexekumakeliz.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f3b2b22e---18845167280.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160718cf3dcb85---87310146381.pdf
- http://dijladentalcenter-qa.com/userfiles/file/29072621040.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=the+3+types+of+heat+transfer
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3f8f3042d---tegiwizetuxelakeduzewut.pdf
- 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_off0000ec08.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC08 | 16792 bytes |
font_01_sfnt_off0001041a.bin5a296ebb2c8ad457f2a67b05fe5a56cdf7746291a07226e2be5fd65a1794ba2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041A | 16836 bytes |
font_02_sfnt_off00013005.bine8047b4b052a28e583302c0f160d9248a0a42b9ddf14316a4c0845305685129b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13005 | 10564 bytes |
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