MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to numerous compromised WordPress sites and disposable domains, suggesting an attempt to direct users to malicious content. The presence of external URIs and a link farm on compromised CMS uploads indicates a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/ff9ba2842501b271abfeec8e336592b9/75283036075.pdf In PDF document text
- https://nestuby.com/userfiles/file/mopiw.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/o002namc09cbvahg7biaq1u4rp/47463482566.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079499b31b31---kevunomobefefilosidak.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/puboroxixun.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ace59c2a0cd---lajizimozunegasak.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/ragibewatoroxaga.pdfIn PDF document text
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/b386df547e75da43c9ab12a5fa12e5d4/43297214273.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210516164411_2106554630.pdfIn PDF document text
- http://beloit1962.com/clients/8/83/8368a4f838dea3176655029ae9e337da/File/67721887458.pdfIn PDF document text
- http://bjaimama.com/data/upload/2021/05/file/202105100923481322.pdfIn PDF document text
- http://soleilboo.com/images/uploads/files/49656585531.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/bavolewoperatajikure.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/e0b201102dfac1fd44557b1bb8e76838/jorororepusase.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7bc9a9187---66435003722.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/84321507770.pdfIn PDF document text
- https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/cr4aj6p9bhhpmkgj38f7pdtqd2/pujojekekemaleziki.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5c2481b78---barudomitazazedijan.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4f41633d2---60479476850.pdfPDF link annotation
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607935f5e0c3a---ronaxobimukari.pdfIn PDF document text
- http://baovephuongtroi.com/vietkiendo/upload/file/tisirawurumimadexanapoge.pdfIn PDF document text
- https://luminex.pl/upload/file/76154422891.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c796d83d447---38273812513.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/5855314050.pdfIn PDF document text
- https://mangonebike.com/uploads/file/sevutuga.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=swag+quotes+for+girlsPDF 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_off0000ebae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAE | 16748 bytes |
SHA-256: 2698f4f71c71029d5ec0d81f325011c5a9fd1869080b1c531e9a23cfe72f07d9 |
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font_01_sfnt_off000116bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116BF | 10692 bytes |
SHA-256: e16081fa786fab8667f07643df9b143c2c19f3709cb66dbc60b5765ed0ffe19a |
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font_02_sfnt_off00012f29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F29 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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