MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress uploads and disposable hosting sites. The embedded URLs, such as 'https://archism.ru/uplcv?utm_term=baby+you+love+me+i+want+you', likely serve as lures for phishing or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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 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://archism.ru/uplcv?utm_term=baby+you+love+me+i+want+you PDF link annotation
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/3afde131d6ec11433f4fd51579f2d018/buvuwumogaberuz.pdfIn PDF document text
- http://goldnumber.info/userfiles/file/8102592532.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/70647314499.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/mosidu.pdfIn PDF document text
- https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/mapuja.pdfIn PDF document text
- https://tavio.ru/files/file/gureponixufuxetadakixo.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad7a3fc4694---sozinarigewunawuledufamaj.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a7106f4a4e2---jisilalijuko.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d775c02a48824abb02f2fc862d3ed075/jemeze.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xojazojek.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/5ea28ce2a7683f31abd98dbc8a9f25ce/banemotu.pdfIn PDF document text
- http://jamesirvinewedding.com/clients/f/f9/f947a18657f5d77a8fcd192ffd4ccf25/File/23257350153.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/4565e41ca1f18b86da056f09c7711aeb/returu.pdfIn PDF document text
- http://malverne69.com/clients/a/a7/a743c233813d1a1dbf5c38c484d85cdc/File/79915780005.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160badbee3693e---49230491422.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/ec2gh7lq48m9se14v86n0ens97/18821308701.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160740880e5291---menebofe.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f63e529b3---1859834600.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16094535dec504---42542055207.pdfIn PDF document text
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d5b3a7e837f---zozivaderimupokewojizatik.pdfIn PDF document text
- http://lookkorea.net/userfiles/file/jejagiz.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/4e3htdarpu5avd3irsg3v486tp/pitoxelorexemij.pdfIn PDF document text
- http://nhsclassof77.com/clients/c/ca/caa0b9827732345dad94809623212052/File/93458724945.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ad951951179---japaxisa.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_off0000fccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000114df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114DF | 16980 bytes |
SHA-256: 61744e73d785e05791ef409741c71b29e757094f7b072c26f7d7decca4d58640 |
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font_02_sfnt_off0001412a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1412A | 10560 bytes |
SHA-256: 8a49b9ce3ab98b8cdc746164167e45683f2f52bcf95eca8ee63de958605df8fc |
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