MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS uploads, suggesting it functions as a link farm to distribute further malicious content or conduct phishing. The PDF structure and link farm characteristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/e731698d13fdb029cb2f4332ab965e60/87348650911.pdf In PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/labonoxonazobujox.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/49263506490.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a5a18177---wetolisuv.pdfIn PDF document text
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/nljetpdh6plmg25he3ips9ncmi/jizoxuzojetimavavevawara.pdfIn PDF document text
- http://mopron.ru/upload/files/51471148248.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a292bf0562d---binejuri.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085b97b7f96d---lemaxerupijedutobeduxa.pdfIn PDF document text
- https://oumkua.com/userfiles/file/42525936370.pdfIn PDF document text
- http://alexforstarlight.com/clients/4/41/4125d763bdae894b2c088b8c4c0f4705/File/12302147172.pdfIn PDF document text
- http://hutbephottaihaiphong24h.com/upload/files/tonokijolasazamawovefogaf.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/61324696520.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/risalio3tiaskjqf81oeqjseik/80886617082.pdfIn PDF document text
- https://appfacile.it/file/65072706352.pdfIn PDF document text
- http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/50177752890.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/6b0b055984c7ca46f2786665072f7365/boketivowinofe.pdfIn PDF document text
- http://revucue.com/ckfinder/userfiles/files/fatatakerakabuvovuwipo.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac94736caf9---54551404651.pdfIn PDF document text
- https://tennis-samara.ru/img/file/32207543845.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16077bf31586da---99733060838.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b11272864b---22847954179.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160768f911fa86---31663291231.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/68229531152.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/552cb00b5bd5a9d2ac1f704f5e2be5b3/golatapepapodifenuwamawe.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/tofefewa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=panel+data+estimation+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_off0000f912.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF912 | 10560 bytes |
SHA-256: 8a5742d41ca1b90b62114f738fa64be64958d0acc994cd617dc0cc04088185ba |
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font_01_sfnt_off00011111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11111 | 19820 bytes |
SHA-256: ae1c5be467a6faf73020dd271879816c8e2fbf57d22aee78e0f15b7245c66114 |
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font_02_sfnt_off000144ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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