MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to compromised CMS upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while some are marked benign, contribute to the overall pattern of directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://hoshitorionline.com/uploads/files/2434002265.pdf In PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/83497729746.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/41247384380.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/f2qba59g4ip3q0q8flgjfh4h3b/72823206701.pdfIn PDF document text
- http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/cfdb967faf001aa42bb960f1d949d0d8/25487518961.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/e1o5tagn5ilh320qvsi377re80/waxejifusumetepodazuzowoz.pdfIn PDF document text
- http://minhquoc.vn/ckfinder/userfiles/files/wivefelojiwefuwura.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093fe00eaf8e---59751051013.pdfIn PDF document text
- http://fotossc.pl/_files/file/tukarawipova.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/92464068800.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/6cac5c8fe607b37c74df823da01287ae/54655019464.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/f4cf7540db1d3194f69a0e7bad823ffe/97907585687.pdfIn PDF document text
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9ba17ab20---64021315097.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/70210590151.pdfIn PDF document text
- http://qytbearing.com/upfile/file/vavoj.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e045d79435---61884709751.pdfIn PDF document text
- https://digireg.se/upload/tupowumuputifim.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce95461e92---71644287704.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f87c08bd4---tiwavixetajumabutekizu.pdfIn PDF document text
- http://e-sportis.com/images/upload/59361053307.pdfIn PDF document text
- http://jatyn.cn/upfiles/202107/file/1626421075.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/vifuvopepifalodujare.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/5e9865b2de17b61cea4881cc6f88a3e0/resonesurapejafo.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/35b64d128ad6b106eb7c3fd4112db715/82801423877.pdfIn PDF document text
- http://www.motorradfreunde-toggenburg.ch/up/files/98393273669.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=animation+gui+robloxPDF 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_off0000f388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF388 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B9F | 10472 bytes |
SHA-256: 11059c0c16bd139f63d47f57ae6bddcd57e9f3aa07f4de7f8d69aa8aa8b7d5fe |
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font_02_sfnt_off0001235e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1235E | 17620 bytes |
SHA-256: f42c3a0cf18d48d89ae2e5bb20b3aa030fbd2d5b06e243ca9b743ad15d866078 |
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