MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a password-protected archive lure. The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting an attempt to distribute a secondary payload. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate it's designed to facilitate the download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8gtn6f5ie1tl99hroeupopu2n6/87201676247.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f68440c99---jovepefatimarolote.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609082a03ba00---4682654447.pdf
- https://aarhuskortet.dk/images/file/wevegitijawowuv.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2ae97fbc0---65341764117.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/qkf4rfkqv3mh2gpmsm6ik7pbhj/xobufoxirumozipomitivop.pdf
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b26030aba9aea9c13a2a9f1f1a3f747b/duluroteneleb.pdf
- https://migger.dk/userimages/file/wemuwexanepuwufetaz.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bacad359b76---67516042160.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/572f3c01be962bb4c54757f1fd687b05/jofofowejewij.pdf
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/20354161798.pdf
- http://brmxn.com/userfiles/file/20210515061323_nx7hir.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8283c53b9d---79180259607.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080499e56f2e---vakiferufusevazu.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608395a233dcb---vigevazexalage.pdf
- http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/56348663210.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc382552164---64915535003.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/kmjqvhb08902jcahejjplg7m26/42592605533.pdf
- https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/b19feab6d1510d32be3471ffa7d88cb1/lazugemutodegasusuzeruju.pdf
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/e00eae62fd5ac5acc39ec7d9388fa5e7/naforuxosazokamovodur.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/9b61c770053696a1e9c942ae39e6aa18/74815599283.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/vrd2m72inl67lvlfbei089q8hv/69864873554.pdf
- https://b2cexpressdemo.com/userfiles/file/29066072743.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9480b0c88b---37427165822.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=leviticus+in+the+new+testament
- 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_off000133af.binb72f72a645af6c042a2fec6950a751e8a293923d90bffc8d3e6c52ded048c46f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133AF | 16832 bytes |
font_01_sfnt_off00015f3c.binbc61cabe80e322501ec851f2b17d30affd35b55a4c1abc71111125cf6f5d7f18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F3C | 10436 bytes |
font_02_sfnt_off000176cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176CD | 16792 bytes |
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