MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS upload storage, suggesting a phishing or malware distribution scheme. While no scripts were extracted, the PDF structure and numerous external links are indicative of an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
Heuristics 6
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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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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 http://www.armstrongre.com/files/files/kaxadigedidedizokix.pdf In PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8f95f0ad9a2b0774d9b66fb5c761dda3/jorilesadexuxunovifonive.pdfIn PDF document text
- https://harkakotony.hu/UserFiles/file/58579985020.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/sb0f13ko9mvkt8jhuuhc166lc3/7376130627.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/p9ub5jpufi9i00888onjfeorq3/todox.pdfIn PDF document text
- http://mediedil.eu/userfiles/files/66609190642.pdfIn PDF document text
- http://mannaz.pl/userfiles1/file/fuxuvinewuporuwesivi.pdfIn PDF document text
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/sr6ftlaojm9ggf152c7pg33ous/62075072350.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16092160eb74e4---punupudexogulofa.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/cp3gd0u1jvjkubv33lklv9mg2a/78268944010.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/u1vuj1jg17mhe4br3ra7boi8at/30454328466.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/jefebotifutoz.pdfIn PDF document text
- http://alde-pace.org/ckfinder/userfiles/files/manufewibazeruvulekigar.pdfIn PDF document text
- http://kartywspomnien.pl/uploads/assets/file/89202441527.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e7e43aac4---79951368300.pdfIn PDF document text
- https://hongmao.tw/uploads/files/202108131708069800.pdfIn PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b2428b3c1---wasutipoborabarifo.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b1375babb---merapazuxizofuve.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f33695a46c---31985949296.pdfIn PDF document text
- http://luckysim.com/userfiles/file/20712894211.pdfIn PDF document text
- https://lompatjauh.com/contents/files/70773734072.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16084af24cb2f7---69078088230.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/969af2fd3e29ad3b1537c5dcc84f92f7/1213748834.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607795565fff7---kojov.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076fa0e625ff---76725862684.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/tapuzilogusuferivudabafaw.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/eab1e2ab4fd77be2c7ebb19458ee3198/33082871764.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=espectro+de+emision+de+los+elementos+pdfPDF link annotation
- 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_off0000e1a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9BE | 10604 bytes |
SHA-256: 3b925a28ae0ab65a6480a4d1f75996d3c0cd25457aeceef82f79c9e02156c314 |
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font_02_sfnt_off000111e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E0 | 19072 bytes |
SHA-256: 215b807c1d2a703704c47c38233507c6f6f75cb08b7dc19c69f605ff60064221 |
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