MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. It also features a link farm pointing to numerous disposable domains and compromised WordPress uploads, indicating an attempt to obscure the final malicious destination. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://doks-films.com/pcms/content/file/34729335468.pdf
- http://email-database.info/userfiles/file/34899202602.pdf
- http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/xofulosezogilom.pdf
- https://wegofa.com/userfiles/file/tokusaleloxew.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/495cbae3f8e0f24f911e20d1973cd06e/kovesomusonugut.pdf
- http://musikpark-live.de/userfiles/file/fopozijokugipesuposolezez.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c595a567c3a---90434554980.pdf
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a14c5d89253---besigevazifiriza.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/2503e4e550a1565048a9f83b753c26a3/1197521758.pdf
- http://mgocsm.in/userfiles/file/36415664938.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/d1649bf0dd8a31e4e82ac190916ca3ac/bulofab.pdf
- https://soyana.de/js/ckfinder/userfiles/files/pomewuwuke.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab26e5e6838---61389129386.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf2914b429---48582479472.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2b179441d---47661816150.pdf
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/56f652e2456e06bc0a000df7873e4d0e/takuburepiluwifawix.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072d1011d678---78254518659.pdf
- http://ats-dz.com/userfiles/file/22189680902.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/sluek77q8o9s2ba4neukh65j5k/51231556826.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607bfd4ae797c---zudokawazowezupiz.pdf
- http://acpiindia.com/userfiles/file/sewepigugodipaz.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b94781e62ad---bovetumowadaju.pdf
- http://sarljarry.fr/userfiles/file/59097663271.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6bbf6adce---sazugumunamuzanuz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=springdale+cemetery+witches+circle
- 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_off00010373.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10373 | 16792 bytes |
font_01_sfnt_off00011b8a.binea181de54374fd4aae3aa0ed4862aa8d9b1714d38c0fb9a013ba82f3f593f01a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B8A | 11116 bytes |
font_02_sfnt_off00013516.bin880c234bf4d439fd41f2e65096360961927d4fecad36ca9853f1bd387d9a9084 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13516 | 17380 bytes |
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