MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected by ClamAV as a phishing trojan. It contains numerous links pointing to compromised websites, many of which host further PDF files, suggesting a multi-stage download or redirection scheme. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b238588efcd---xumowukiv.pdf In PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/6nlo4c5l9u2piou4n1oq8k9q73/jumajiwipiwujujowovudovi.pdfIn PDF document text
- http://accapierre.it/userfiles/files/jazorubezovixasa.pdfIn PDF document text
- http://landia-print.com/pdir/file/jotolulopuruwunakipo.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607819625e711---99452008662.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/5969703204.pdfIn PDF document text
- http://fashionflutters.com/ckfinder/userfiles/files/95889085032.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/lajugebikunawemeg.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2c2cd9b761---vibujonopiw.pdfIn PDF document text
- http://dyweisheng.com/uploadfile/file/2021080423180873499.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/oj857r593rhbcv2hadjecnb3ms/16918608594.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//70006911885.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/zinevazoduvukejazeva.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160771819bf99c---nisasajed.pdfIn PDF document text
- https://egf.tw/test2/images/file/wezokavugifigugotavedun.pdfIn PDF document text
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210628082238.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/98898141112.pdfIn PDF document text
- https://lasvegasrebath.com/wp-content/plugins/super-forms/uploads/php/files/3510ccdc3f2bbf0b3040d4eed9ff6a33/kilariziruzeti.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/kme49tmt101dpp7maqou1be55u/27295450161.pdfIn PDF document text
- http://www.grupoaccs.net/ckfinder/userfiles/files/kidadipefu.pdfIn PDF document text
- https://www.allduniv.ac.in/ckfinder/userfiles/files/9426920605.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/kowek.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=anglican+yoruba+hymn+bookPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cda0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA0 | 16820 bytes |
SHA-256: f452fa8e85582bf21dd17768d0b8e76fd7382e569646e64f463ec906aca49ffa |
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font_01_sfnt_off0000f9ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111C4 | 10704 bytes |
SHA-256: 1e245d6b30f5f1db550a4c9c321add3ea6e50af78c3dd3ee05e315c506f2ee95 |
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