MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. The presence of external URI heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://synerhu.ru/uplcv?utm_term=personal+care+assistant+cover+letter PDF link annotation
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160d48bfecbe26---vatoxo.pdfIn PDF document text
- http://sxhk365.com/uploads/file///peresasemalafig.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/71850481928.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/a42d5aeafe82bb6848ef1765ae669441/tovurevugapeges.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/53c6750260cf030976d5d4aac39d1edd/sodurejor.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/aa3f16157ebe77c54f8f3a7d9de6472d/tutaxalawizikelagitobem.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a9a2dfcd6---jabezikowidatosuvugesi.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/68b3080d48f72ed68cd943d0db02cc9f/kaxububejigewebedomedozeb.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb15eb2691---zevibapuxovozowovi.pdfIn PDF document text
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/jvdv37hrs9nh0bcbs7pg8acabf/jepuxezuwadewudakevavum.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/55e8b411666aee0af0482b3988a6a343/40383447215.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c5087e9c4b48f9893a6b0bb49c6a5149/33313423918.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be9ce0df51---76584987130.pdfIn PDF document text
- https://samudra99.com/contents//files/32282811567.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acae76612f8---wabagudivawexijufomuv.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/gegetunutepaxu.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/e849ba7ce223ccf1bde344d0335c1a80/bezijekixudapowo.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a44817035c---xivexen.pdfIn PDF document text
- http://wjcopy.com/upload/files/nojafa.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160788aae367d3---bokizuzigukujofe.pdfIn PDF document text
- http://manninareunion2012.com/clients/0/03/03b30fdf9aaeeba733afadbef254ff7b/File/zuzogamuvalaze.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/jebokerudemudulejonaniboj.pdfIn PDF document text
- http://waelfawzy.com/userfiles/file/zodalofuzaxupofaxule.pdfIn PDF document text
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/59bc6955f0ac48913d63f6fdd2d3fd75/59116056527.pdfIn 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://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_off0000f7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010fd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD1 | 17092 bytes |
SHA-256: a8afeb8d1f2c0b2572142e11e18332d6a9ede493d2f214a8ae0f1fda3a537f86 |
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font_02_sfnt_off00013bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BC8 | 10292 bytes |
SHA-256: e49d6ae841247434efd8aa995e01565a7397c4df129890e0571c0098591f3f12 |
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