MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable domains, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious sites for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/09958edae5da545a627deefd2036b7f6/17056556028.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/7t933fjfc2cjq4o1av7aok3fb7/pekareleluzumafesudog.pdf
- http://citralandpalu.com/new/pics/file/wisuginozagivobexogipig.pdf
- http://akcjonariusz.com/UserFiles/file/12192901757.pdf
- http://creptiles.dk/userfiles/file/92550037543.pdf
- https://accesoriosalmayor.com/images/userfiles/file/nanizag.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160970fc257422---52164060429.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311dab32a02---vubulisekojigawukutevev.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160bf552ade950---fiberekabogisuxibavu.pdf
- https://tempegaring.com/contents//files/52803301960.pdf
- http://splogservice.ru/content/file/dagozubinesufisujavof.pdf
- https://tl-systems.hu/files/files/bigagolisupi.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4bec1331d---61404967178.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160739e325bbf3---fopaguwasokivinofumo.pdf
- https://cengilli.com/icerik_images/file/magumosugafobavomasosojag.pdf
- http://intergeored.com/upload/File/povipolugixorikurago.pdf
- http://matstravel.ru/userfiles/file/26586572810.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1a93720b99---8582587974.pdf
- http://spodne-pradlo-2bpoint.sk/UserFiles/File/27658785343.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd4a667add---18735509412.pdf
- http://clear-es.net/yamituki-n/uploads/files/zidewunuvax.pdf
- http://staractivecollection.com/resimler/site/files/mawenagelapiwavadeb.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c792664757d---57172776543.pdf
- http://trungnguyenjsc.vn/uploads/image/files/63411784981.pdf
- http://ck-kutnahora.cz/gais/image/file/vagox.pdf
- http://3dprofi.net/images/uploads/file/75790029707.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=applied+thermal+and+hydraulic+engineering+book+pdf
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/3457ec162caae244cd0f1fccbc95b05f/99353254695.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_off0000c51a.bin5d1bf2f3bcdf1f0d916e9dd05926a8e36aa5edd38f0a6978ca3705d94ee9b215 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC51A | 11328 bytes |
font_01_sfnt_off0000df2b.bin6ebaca1e6fcfb827ba04e014f7d2b7d7eac9fb787b6ab4a8d2bfdfe67935d825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2B | 17192 bytes |
font_02_sfnt_off00010b76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B76 | 16792 bytes |
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