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://pistant.ru/uplcv?utm_term=san+andreas+free+download+for+windows+xp PDF link annotation
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/58c1feae582e072ff0382815b1bbe5b1/woratajixulajedus.pdfIn PDF document text
- https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/jjj0934sc78ek5lt6vh9u1keu4/53674104257.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/287b7g27oc55uuqnqc9cup0pln/37474252695.pdfIn PDF document text
- https://detectiveoffice.net/userfiles/file/dubemefexu.pdfIn PDF document text
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc36e47107---85899324044.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/6ff9ed11f316406d665870b3b847130b/kasefimot.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/5ab44148fce89861a0ac92507460c9b6/66854222495.pdfIn PDF document text
- http://alphaconsultinggroup.us/vpw/images/file/47233332061.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23c963647---xitokiwulazivarotazu.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/st20rpr8nemgmh88pd5helb9kl/vilusovijitalegezag.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16076acc313c78---tatijabujafewit.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6843208bcee94ca1eb41cee059e3c522/37819622731.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb754582c0---68872584948.pdfIn PDF document text
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/simodalesewuribupov.pdfIn PDF document text
- http://karthikeyanjayaram.com/userfiles/file/53569270182.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_off0000ecf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF2 | 5296 bytes |
SHA-256: 3753c2486992c791b72c49555205d49f22df1f05e3131d7dd3b88f4034099067 |
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font_01_sfnt_off0000ff1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF1C | 10828 bytes |
SHA-256: c5fcfb9a420e767dca2e5ab24ecfb809192d6841e97faa057b6695a828c85a58 |
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