MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of using these links for potentially malicious purposes. The ML classifier also flagged the PDF as malicious, supporting the assessment that this is a link farm designed to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.7042
Heuristics 5
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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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://allytemp.ru/uplcv?utm_term=pixel+combat+zombie+strike+mod+apk+3.9.6+download PDF link annotation
- http://cieplej.pl/imgturysta/file/pipelite.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/fajejanipubipunupiwupipo.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/fesigoramezavefipixipis.pdfIn PDF document text
- http://dambi.pl/userfiles/file/ritenubibomekasom.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/226259882.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/xazatijot.pdfIn PDF document text
- http://laros.cz/UserFiles/file/repipeboro.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/59292629515.pdfIn PDF document text
- http://studiolegaletrotta.eu/userfiles/files/belamajomobutalax.pdfIn PDF document text
- http://kinocosmik.ru/sadm_files/80776220063.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/4585752564.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/fec684051e3ca49e8f45d238684e8147/mipexuwigunuzidozami.pdfIn PDF document text
- https://paperland.bg/uploads/file/30274073049.pdfIn PDF document text
- https://ctapigroup3.com/contents//files/nuzelupomaxukape.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/e90a21d3f4f658a6a5e49d1b2b8919ea/34566381557.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ed0ef93fc3c---4054632366.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/kixitiwexir.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/55969777037.pdfIn PDF document text
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3d4124279---69874307853.pdfIn PDF document text
- http://mastervgtour.by/var/upload/file/42349383108.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/33037491695.pdfIn PDF document text
- https://akita-inu.lv/www/files/files/19969987660.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/podcnugl5rc6geqvdh6u79ffa7/13644343045.pdfIn PDF document text
- http://gaongonmaiphuong.vn/webroot/img/files/xunulenujavixejipuroke.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/3fa6bb43e9b5be7f809ceaf6be8169c4/wasexijesobulufawagamef.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ag263gfl3727vaum27fp3m6q2d/gimebekudojikikokuwamowid.pdfIn PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/umuutcu0lqak900u1vukmpgq6m/lusipojovema.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001057d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057D | 17836 bytes |
SHA-256: e9d32370f952b40f13379108c0f4a1a19833107f4183898b5ab12679a177a482 |
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font_01_sfnt_off0001340a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1340A | 11728 bytes |
SHA-256: 408ea28ea78234de5a5894edb89df93134fa668020064cf4dced7ca48c2e056d |
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font_02_sfnt_off00014fdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14FDF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000167f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x167F0 | 16472 bytes |
SHA-256: 3eeca2e0cba229df837d555c5c119f1c64f28089b2a92bc0f990d9d6c20948d1 |
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