MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure point towards a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://smidgel.ru/uplcv?utm_term=electrical+measurement+and+control+pdf PDF link annotation
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8e60f3840---leboxedig.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/7fa56bf996bd37ee83ce777dc7c1f95a/divememanabisu.pdfIn PDF document text
- http://studiotecnicobergamaschi.it/userfiles/files/pujum.pdfIn PDF document text
- http://eszixv.hu/ckfinder/userfiles/files/89881787273.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5aaa65d3bb---wixuzo.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/dezododozodumimiwep.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160edc0d6d9805---kitiwov.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/bepekigiwejixadukutu.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/300febcc7dbbfd0aaae64257ebf5b6c7/91593730560.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0677471e9c---16053806647.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e12c0fb60---xavutikemi.pdfIn PDF document text
- https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/1270dcb6a91070c030883fa6d5e40b5b/sokaxofawonasosexuvulome.pdfIn PDF document text
- https://sanxuattrucauthangkinh.com/Images_upload/files/paramiramutaf.pdfIn PDF document text
- http://be-now.pl/userfiles/file/5426329332.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/54408471103.pdfIn PDF document text
- https://selispin.com/calisma2/files/uploads/68835448078.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/337cad06dd16108473638aaa651a1ba4/sifagubirekokuvaj.pdfIn PDF document text
- http://jeyadhurgatemple.com/userfiles/file/nuzikuwuduvaponajutabefeb.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f11ef0d7b18---82723163785.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a379d66c1da---51547708505.pdfIn PDF document text
- https://ladangmimpi.com/contents//files/xabisog.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609c92a6eebd3---vogujabojozuwilabelubotis.pdfIn PDF document text
- http://printific.com/images/contentimages/files/25446638660.pdfIn PDF document text
- http://www.tecnobor.com/ckfinder/userfiles/files/gadumozelesepimamipubaju.pdfIn PDF document text
- https://hizlipin.com/calisma2/files/uploads/82403074300.pdfIn PDF document text
- 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_off0000eda1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDA1 | 10864 bytes |
SHA-256: 6d916ec8d019fd67d7ef9d4366ba8ab88620b5bd7d2ea57c30bb8aecd7be20d1 |
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font_01_sfnt_off000106ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106AE | 16868 bytes |
SHA-256: a28f425a19771595ba0f3e323f92f1d694b756b7d766d95e24f55829bb389df5 |
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font_02_sfnt_off000132b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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