MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, embedding numerous URLs that lead to compromised or disposable hosting services, likely for phishing or malware distribution. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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 https://catamma.ru/uplcv?utm_term=rendirse+jamas+1+espa%C3%B1ol+latino
- http://yuemeism.com/uploadfiles/files/lajelesewowanadirufuwisiz.pdf
- https://kvkumariajnkvv.org/singhania/downloads/file/41308878966.pdf
- http://rocb-ap.org/file_media/file_image/file/18528382624.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/9ccb01f3cdde6818f5bab613a7414daa/nofazejavuwasexer.pdf
- http://studiocariola.com/userfiles/files/gobizeril.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/5fde71d37a8de7e16a441a922d00b003/44708468676.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/0a2a152a7cf99f489e88255d6016c1d4/53727734641.pdf
- http://steps4cancer.org/clients/a/a7/a78c374070a178914b502abaf3db82b8/File/11823749757.pdf
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/59612596454.pdf
- http://micronforgacsolo.hu/UserFiles/file/vofunabovupanogo.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9f42bf706---57881924121.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075922fb9ba3---56990253345.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/45325652f6ec168d36f7f901e0b6b8e5/gunafowenujebakap.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/de8becef422d8f51cc95ab7a8d0ab8ff/42797305064.pdf
- http://ville-dammarie.com/ckfinder/userfiles/files/28174572017.pdf
- http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/96148695662.pdf
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/b7840c71bb3370fb83db68bbbc96269d/82500999252.pdf
- http://nesthomes.in/userfiles/file/56320522345.pdf
- http://www.nomorcantikjoss.com/file/gixexubufar.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/jk7lv3dg7j9k9kk91goc7s9nki/70455397379.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc0b2afb52---juvexadogakix.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42f9f1780c---35651328735.pdf
- https://activepymes.com/pub/file/vaxekowikozasulu.pdf
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/7gvhi5mrtavko404ui53pvuf59/revopu.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1609065448da25---87902207255.pdf
- http://www.tahi.hu/ckfinder/userfiles/files/bidowatigitavekupiloxumi.pdf
- 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_off0000d6bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BF | 16792 bytes |
font_01_sfnt_off0000eed6.binee3d41d1a4ca7d7e34b52b592351d14fadfcfbeb9ec29fec5a77f3bbbf4a2d31 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED6 | 10988 bytes |
font_02_sfnt_off00010810.bin15d8baf3749c5ee911c504d81c01d7dff644e78b865d8a9f107345871df8039e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10810 | 17080 bytes |
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