MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing or trojan. It contains a large number of embedded URLs, many pointing to compromised CMS uploads and disposable hosting, forming a link farm. The document body is heavily obfuscated and appears to be a lure related to 'inspiring leadership appraisal comments', likely intended to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://mosconi.net/userfiles/file/resuzinepiredomi.pdf In PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/a37ecdf9d8d80189dff25a382b5be7c4/wanasufurixi.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ecfcf04d73---xaviju.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/gvpmf3lrtabd67udru06bq2l7e/sesenavakobovotavig.pdfIn PDF document text
- http://cleangroupbd.com/ck/upload/files/59873866178.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846732160ff---maveturegiwudovukoduj.pdfIn PDF document text
- https://golf-tout-terrain.com/publish/page/file/89786922791.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084c1b4c1472---30340070461.pdfIn PDF document text
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/7bb9d57d7a5cac92ee7e1927f32ed6a0/rosekizasalavijawaxizew.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a43bfdcaa08---gogugoni.pdfIn PDF document text
- http://notariocprietoa.com/notaria/documentos/files/ralij.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/50100460183.pdfIn PDF document text
- http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/8841975000.pdfIn PDF document text
- http://taiwanglassgroup.cn/userfiles/file/fojuwejuwazokopibaxigo.pdfIn PDF document text
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160842247e46ca---94587789363.pdfIn PDF document text
- https://vandolderskb.com/images/usr/87154874302.pdfIn PDF document text
- http://sobsai.com/ckfinder/userfiles/files/refuwamokogiviledosimowe.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fb709e80c---88759397420.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=inspiring+leadership+appraisal+commentsPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ff2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2C | 5424 bytes |
SHA-256: 84cefd17d9bafe292c2e619a467bbd413899884c722cbe13a89003e5e21b32c1 |
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font_01_sfnt_off00011170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11170 | 10636 bytes |
SHA-256: aeb6f87c8212eb8fe824f6edd9f7be27ef4f15a5de3b70b34e4cb8c46b06331c |
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