MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=lovely+dp+for+girls PDF link annotation
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b11b3b3fab2---wewapuvujijotenerixanoras.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae5fc2c215---babolawobokedatopatimu.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160b253c29b578---patatatofizuxopuruja.pdfIn PDF document text
- http://111-orte.de/testarea/cwsCMSlight/media/files/xajapowobatevi.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdcd475939---bodafarorojukumejebutas.pdfIn PDF document text
- http://buergerforum-tirol.at/file/joranupavamesa.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b575bbccb19---fuxexunewasulek.pdfIn PDF document text
- https://anthonygillant.com/userfiles/file/48876309476.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfdcc04f4e---62928895492.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/7rf0mrc9ctr7fcsv9461lrg18c/fefefewonevi.pdfIn PDF document text
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/55842184088.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/848gup15p746k08phbvqtn3vrh/duxibuxoborizobamir.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083efd791b92---98473981988.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/94194291800.pdfIn PDF document text
- http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/reviregilajezab.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/b65209da88898130f9d6cff12840add0/2573730054.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000d3c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C0 | 5100 bytes |
SHA-256: dd6e94cd33f71e625c759ecf62cc14d0f5ad853117fd2b7f6fa2490a09b93a1e |
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font_01_sfnt_off0000e541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE541 | 11148 bytes |
SHA-256: 56bf47027098b34aac9dec0e287ef99e2a3b27da2f7831162a0da99f8b0a616a |
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