MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to various domains, many of which appear to be compromised CMS uploads or hosted on disposable infrastructure, consistent with a link farm used for phishing or malware distribution. The `utm_term` parameter in one URL suggests a potential tracking mechanism for phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://allytemp.ru/uplcv?utm_term=shiva+112+sutras+pdf PDF link annotation
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/vuvovagejawumibexag.pdfIn PDF document text
- http://biomax.shop/filespath/files/20210829235559.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/3d3fd666351e48dd10054b22e676cb59/12499351382.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbfb0081519---5319524228.pdfIn PDF document text
- http://violetstudio.in/userfiles/file/gowug.pdfIn PDF document text
- http://innotack.com/userfiles/files/pilitijefibodekemigu.pdfIn PDF document text
- http://sieuthikhoacaocap.vn/upload/files/pobavutobovumu.pdfIn PDF document text
- http://sokole-tps.pl/userfiles/file/radizenejawo.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210904044920.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/89606379830.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/d3526e4c5bbe6989a4d9f12e7b1ea536/safuwonadudimetu.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/47995532403.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886eca2dac9---lumamo.pdfIn PDF document text
- http://rinsacars.com/files/others/rekatepuxerexeb.pdfIn PDF document text
- https://krossi.ru/images/content/files/61372201801.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/8d23de894e75b4b96825c13a2142a00c/totubajixebatagu.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/31299712695.pdfIn PDF document text
- https://rintrans.com/files/44666854247.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/zitagewevi.pdfIn PDF document text
- http://aias.pnu.ac.th/ckfinder/userfiles/files/36915960658.pdfIn PDF document text
- http://innovatepc.com/userfiles/file/77162482894.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/kixorawox.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_off0000b695.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB695 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cea7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA7 | 15992 bytes |
SHA-256: dcd60a4da6bf01b7e926be1e75f2ec9353b11553f70072837224950558dc57f8 |
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font_02_sfnt_off0000f708.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF708 | 10608 bytes |
SHA-256: c071c9fdc2fb702decb30a27673a1e98685a5cde1a13b8a156b9824a72c868f4 |
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