MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised CMS upload storage, indicating a link farm designed to redirect users to malicious sites. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a lure for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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=can+i+get+a+call+recording+of+my+phone+conversation PDF link annotation
- http://hotel-ambassador-nice.com/upload/files/57371916897.pdfIn PDF document text
- http://advairtech.eu/assets/userfiles/file/notugepegep.pdfIn PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/9129646484.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613198897c791---4310544869.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/878e29f57bedc0f7b20b9084a515d563/64433487828.pdfIn PDF document text
- http://remont-m.com/userfiles/file/78554885253.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161379398bce05---92378748070.pdfIn PDF document text
- http://yilip.net/userData/board/file/74216518562.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/xeledisidu.pdfIn PDF document text
- https://omegaplus.bg/uploads/pages/files/tinewodusujigamamajuno.pdfIn PDF document text
- https://bleikss.com/userfiles/file/defegixorakanuwoz.pdfIn PDF document text
- https://pastravariaizvoarelebratiei.ro/images/file/22480711921.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613629d5e0197---76284402915.pdfIn PDF document text
- http://begues.mobi/userfiles/file/42146653721.pdfIn PDF document text
- http://restokrat.info/userfiles/file/74714340825.pdfIn PDF document text
- https://floridahouselottery.com/test/userfiles/file/40990636758.pdfIn PDF document text
- http://mxagproducts.com/upload/browse/file/89534745856.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/28699770741.pdfIn PDF document text
- http://wixoon.hu/upload/file/92720182594.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/sumeluvafujakidugi.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/nefumumuzumij.pdfIn PDF document text
- http://krasneclanky.cz/uploads/majuvapoz.pdfIn PDF document text
- http://realtor-madrid.com/uploades/fckeditorfile/gapilokutuposoxidowexeg.pdfIn PDF document text
- http://oilspecchem.com/files/gifugezutim.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_off0000e1eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1EB | 18144 bytes |
SHA-256: bcfd704ce9385e7ba61f94f688354b3e267cebd5a5402d0b8f43cb3065bb4516 |
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font_01_sfnt_off000110e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110E3 | 11276 bytes |
SHA-256: ae9cdb2137ea7de86154cea38e561a291716219f71cbb49be9ba4fb396b44a09 |
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font_02_sfnt_off00012b0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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