MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories. These links likely serve as a distribution mechanism for further malicious content, aligning with a phishing or malware distribution attack pattern. No scripts were extracted, but the PDF structure and URL patterns suggest an attempt to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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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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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.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c48610724---debijijeguwa.pdf In PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1e5b9e4e59---lujuxobenezovutogotirur.pdfIn PDF document text
- http://dancingstarsgreenwich.net/clients/1/10/10f73e4104fe6082999c9b722aa65ba2/File/wabesunatu.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/e189f6775e6558d9fe47d76b4f6b3c3d/vufolatifevobafi.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles//file/65093907413.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/1ruuhski86o1o0tm40ok7kureg/32971590152.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8d16d26e1---52948019918.pdfIn PDF document text
- http://flightshop.jp/images/blog//file/6779399537.pdfIn PDF document text
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb88456812f---50961452981.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/5c77a19398a33cca0817205960e77bc9/86790408597.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/2n7ug943gvq47c2bdmr2qu23gt/dewuwe.pdfIn PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/74930dc62f7615a79d995bfcc79002e9/digeg.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/q5vgp6ihl09lc9unsqrrv88sj6/vigiz.pdfIn PDF document text
- http://www.rify.us/cms-uploads/files/xipabavojor.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b767bd0de---24670680874.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9e4b78c36---pavove.pdfIn PDF document text
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782354706fc---11630863539.pdfIn PDF document text
- http://bahattinburyan.com/userfiles/file/68137914787.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/59498f51d4c5f070b956b0a2d76bc06e/28617042411.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/50a5800d88cee4b9a35318239c1addc5/72201017016.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4fd9b472c7---rizusosejinemiruv.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c58eb453c56---sagavubeviveruwidepiro.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=auto+answer+app+for+androidPDF 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_off0000ea58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA58 | 10612 bytes |
SHA-256: ebf7cef90c14c855e8404c56f345ebd62e3832a898ad00765c54f1b50b1b76b8 |
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font_01_sfnt_off000102d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011aea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AEA | 16808 bytes |
SHA-256: 3a210fa40db79dee4d538b2eda9c29901e9878942170e032480c860a12373f70 |
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