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-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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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=aatish+all+song+djpunjab PDF link annotation
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac32a2790---bogodiji.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a773a58147---98526281052.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/24242468401.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7ac347923---zudeleluzozutan.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f012842830---danutemesozuzalonexat.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/1683d255d167f9561cde0a55237ad91d/lomafavuwixezikuxikoz.pdfIn PDF document text
- https://workinhotel.com/upload/fckfile/15920491465.pdfIn PDF document text
- https://digireg.se/upload/lidumakokerurul.pdfIn PDF document text
- http://france-ex.com/images/blog//file/17583899553.pdfIn PDF document text
- http://vo23.ru/upload/file/97429707821.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160b27db1f36a8---19309130419.pdfIn PDF document text
- http://shinies.ru/img/lib/file/jovalupawajerutugowox.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/eca6eecb089d9c6c52b1480a51a57f84/89991356414.pdfIn PDF document text
- https://xenang-mitsubishi.com/fckupload/file/2574260884.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/5elb02o8ooiiocsjau3fdedhb6/ratarovisukebulesi.pdfIn PDF document text
- http://kanstm.com/ckupload/files/46124319851.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_off0000d5a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A0 | 5328 bytes |
SHA-256: 8f21a65ad1cc72321b5e6bd42c43a4facd93e67e3c39cd14f12b810a0ae204c8 |
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font_01_sfnt_off0000e7be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BE | 10784 bytes |
SHA-256: 66bb86a08b793a680f6d2e7cfa09cf5ce6c5743c5cac8cc0354b4ac3dddffebc |
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