MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, contains references to 'Periodic table element' and authoring application details, likely serving as a lure.
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://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607312de8c892---18739888750.pdf In PDF document text
- https://aduanaldelvalle.com/userfiles/file/tasipasizipilapavowez.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a61ce7624b5---86450618211.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/844552c5c795f41fd39910d821feef6b/22516425218.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/zivimaz.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbf57272dd---78289739915.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/xepamajenasexatufejuxalig.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/b46d8fa1c06db26887b15825168d43bd/rademu.pdfIn PDF document text
- https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/8en5lfrqmkb0tr3472h7rg210d/wifonagoxosexuzoraxex.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/56e57d30cbec3bbed64dcf4c730e7f28/71976447548.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16092bd38efb8b---riwezabo.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/566c6303feab12d5aa0418b2161136c4/lefekuropulonob.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/levunavuxeg.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/fqi7oanu5is8lr270ohoefn47d/94685888637.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/zanexekerijodoxitamubig.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82390048643.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=periodic+table+element+labeledPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD36 | 4836 bytes |
SHA-256: 5137dcfb7a8c8ecf3492f53451e30775e97f3bbd45b078b3fe417aec74959366 |
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font_01_sfnt_off0000ed78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED78 | 11228 bytes |
SHA-256: 0ab755c6b74615750425faa5ae155d111ab8474f8aacff5e07c7491d44fa1807 |
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font_02_sfnt_off00011391.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11391 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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