MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous external URLs pointing to potentially compromised or disposable hosting. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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 http://sicompk.com/survey/userfiles/files/garerebomumafatosadis.pdf In PDF document text
- http://maciejabramowicz.pl/upload/files/file/pimev.pdfIn PDF document text
- http://skisun.it/userfiles/files/1919518894.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/pojiraw.pdfIn PDF document text
- http://jsdarvin.com/files/94877388565.pdfIn PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/95476249028.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/4b425e2333b71e60b97c45d2818a5617/33234542808.pdfIn PDF document text
- http://salkim.com/userfiles/file/92260193154.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/161529fe2da206---bazonetopilovanula.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5560cba67---dofirikad.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/8510689466.pdfIn PDF document text
- http://wtmongolia.com/materials/file/40501554991.pdfIn PDF document text
- http://www.alfapilates.pl/upload/file/65766781274.pdfIn PDF document text
- http://holzbau-napetschnig.at/berirabifiji.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/27972893885.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/803ca9b39e25586dcccf9a91db48a341/mopikimato.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151dbcb5fffd---vuxiralezogaz.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/4297375249.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/22/72702425970.pdfIn PDF document text
- http://f-okinawa.com/img/tmp/files/luginakazerisowodope.pdfIn PDF document text
- http://ebd.su/UFD/7623/files/detajotofelejidefugotak.pdfIn PDF document text
- https://urbanshapes.in/userfiles/file/40714710675.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/rakef.pdfIn PDF document text
- http://isisthailand.org/file_media/file_image/file/rejilofasupinuwubikod.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/13765768300.pdfIn PDF document text
- https://777mto.com/contents/files/bidozupotetonogalowurupuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=actors+in+joe+dirtPDF 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_off0000c018.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC018 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d82a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD82A | 19208 bytes |
SHA-256: 8870f09db18e0776f6dbf3511771316c0a57301e4b3f835e6924f2956e3ebc8f |
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font_02_sfnt_off00010a65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A65 | 10264 bytes |
SHA-256: fcbdaee40fc6b8f5c0b801169851b5dd24736c649a3e2cf9ca57f20add232141 |
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