MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity finding for a link to an algorithmically-generated URL and another for a link farm on disposable hosting. The presence of numerous external URIs, many hosted on compromised CMS platforms, strongly suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and link farm characteristics indicate an intent to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://consulcongress.it/uploads/assets/file/rubunalewesefebumojon.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160852f63b995d---fogedefojemidemon.pdf
- http://asirakademi.com/resimler/files/20027133588.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b07a21754b1---20393761257.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/43e7f69c1492353d6af746bc36375225/44476623290.pdf
- http://goref.ru/files/file/6373830501.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1eb14e472---73860423107.pdf
- https://nothingbutsafetyglasses.com/userfiles/file/koruluvutuluwikidafabit.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/1c8dd038d5d73da2a60dcf1a28d5e2e5/80908321297.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa813299105---kawepajezeduxo.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16094589241c34---65062896880.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/94fadb1e96a78882a31576b633511494/nonepuw.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5i9v9f8akk38i3nfsjijpg1057/20951419082.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608104b29093f---watalafozanezafon.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9432a891b---64404035685.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8412aab27---73985074404.pdf
- http://bakoca.hu/files/file/14378984024.pdf
- http://southport1969.com/clients/861680/File/6414530139.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/f48ca875e28ec907741899c7dc3c43d5/59061777627.pdf
- http://vyveva.eu/UserFiles/File/16274011800.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160779dda6160f---89595566382.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9bdf5091d---nuluvutud.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/bb8f059e7ee4b09aa08706f2785c1f71/gopubuxixiva.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/fcb7357d0f57b042b8990b0f9157b599/32285182820.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pool+cage+rescreening
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010441.binab1f90fa114d9227702470645d06b88070dfe012690649abb03c594eee147a6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10441 | 10308 bytes |
font_01_sfnt_off00011b98.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B98 | 16792 bytes |
font_02_sfnt_off000133aa.bin8cc5a38cde9334e20b8e941229b5f5096afb9bdedd7ecfc1dd820c27bd15772a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133AA | 17576 bytes |
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